SAFETY DATA SHEET according to Regulation 1907/2006
Cure It Hardener
Creation date: 17.7.2019
Cure It Hardener
Hardener for Cure It resin and topcoat.
Do not use for purposes other than those prescribed.
G&B Northwest Ltd
+44 (0) 3301 222666
+44 (0)1942 518150 Mon-Friday 8.30am – 4.30pm
Org. Perox. D; H242 Heating may cause a fire.
Acute Tox. 4; H302 Harmful if swallowed.
Skin Corr. 1B; H314 Causes severe skin burns and eye damage.
Signal word: Danger
H242 Heating may cause a fire.
H302 Harmful if swallowed.
H314 Causes severe skin burns and eye damage.
P233 Keep container tightly closed.
P235 Keep cool.
P262 Do not get in eyes, on skin, or on clothing.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P315 Get immediate medical advice/attention.
P501 Dispose of contents/container in accordance with national regulation.
methyl ethyl ketone peroxide (CAS: 1338-23-4, EC: 215-661-2)
Keep/store away from clothing/strong acids, bases, heavy metals salts and other reducing substances/combustible materials.
The substances in the mixture does not meet the PBT criteria according to REACH, Annex XIII
For mixtures see 3.2.
|%||Classification according to Regulation (EC)
No 1272/2008 (CLP)
|Specific Conc. Limits||Classification according to directive 67/548/EEC or 99/45/EC||REACH Registration No.|
|methyl ethyl ketone peroxide||1338-23-4
|25-<35||Org. Perox. D; H242
Acute Tox. 4; H302
Skin Corr. 1B; H314
Acute Tox. 4; H332
|hydrogen peroxide [B]||7722-84-1
|1,5-<2||Ox. Liq. 1; H271
Acute Tox. 4; H302
Skin Corr. 1A; H314
Acute Tox. 4; H332
|Ox. Liq. 1; H271: C ≥ 70 %
Ox. Liq. 2; H272: 50 % ≤ C < 70 %
Skin Corr. 1A; H314: C ≥ 70 %
Skin Corr. 1B; H314: 50 % ≤ C < 70 %
Skin Irrit. 2; H315: 35 % ≤ C < 50 %
Eye Dam. 1; H318: 8 % ≤ C < 50 %
Eye Irrit. 2; H319: 5 % ≤ C < 8 %
STOT SE 3; H335: C ≥ 35 %
|1-<1,5||Skin Irrit. 2; H315
Eye Irrit. 2; H319
|B||Some substances (acids, bases, etc.) are placed on the market in aqueous solutions at various concentrations and, therefore, these solutions require different classification and labelling since the hazards vary at different concentrations.
In Part 3 entries with Note B have a general designation of the following type: "nitric acid … %".
In this case the supplier must state the percentage concentration of the solution on the label. Unless otherwise stated, it is assumed that the percentage concentration is calculated on a weight/weight basis.
Remove contaminated clothing. Never give anything by mouth to an unconscious person. Place patient in recovery position and ensure airway patency. When in doubt or if feeling unwell seek medical assistance. Show the safety data sheet and label to the physician.
No action shall be taken involving any personal risk or without suitable training. When it is suspected, that there may still be harmful vapours/fumes present in the air, respiratory protection (mask; self contained breathing apparatus) must be used. Wash contaminated clothing with water before removing or use gloves. It may be dangerous to the person providing aid to give mouth-to-mouth resuscitation.
Remove patient to fresh air - move out of dangerous area. In case of unconsciousness bring patient into stable side position and seek medical attention. Seek medical help immediately. If breathing is irregular or respiratory arrest occurs provide artificial respiration. Keep at rest in a position comfortable for breathing.
Take off all contaminated clothing. Wash affected skin areas thoroughly with plenty of water and soap. If symptoms develop and persist, seek medical attention.
Immediately flush eyes with running water, keeping eyelids apart. After 5 minutes of rinsing, remove contact lenses, if present, and continue rinsing. Consult a physician immediately!
Do not induce vomiting! Rinse mouth and drink plenty of water (only if the person is conscious). If vomiting occurs, the patient should hold the head lower than the hips, because it reduces the possibility of aspiration. Immediately consult a doctor. Show the physician the safety data sheet or label.
Excessive exposure to spray mist, fog, or vapours may cause respiratory irritation.
Symptoms may include cough, sneezing, nasal discharge, headache, hoarseness, nose and throat pain.
May cause localised redness, swelling, itching, intense pain, blistering, ulceration and tissue destruction.
Redness, pain, burning sensation, tearing, can cause permanent damage to the eyes.
May cause corneal injury.
May cause abdominal discomfort.
May cause nausea/vomiting and diarrhea.
Harmful to health.
If ingested, may causes burns of the mouth and throat, as well as perforation of the esophagus and stomach.
Treat symptomatically. Have eye wash facilities in place close to the operators’ work area to provide immediate first aid prior to medical attention. Severe cases of eye contact and ingestion should receive medical attention immediately.
Carbon dioxide. Dry chemical powder. Water spray. Alcohol resistant foam. Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Full water jet.
In case of a fire toxic gases can be generated; do not inhale gases/smoke.
In case of fire or heating do not breathe fumes/vapours. Cool containers at risk with water spray. If possible remove containers from endangered area. No action shall be taken involving any personal risk or without suitable training.
Firefighters should wear appropriate protective clothing for firefighters (including helmets, protective boots and gloves) (EN 469) and self-contained breathing apparatus (SCBA) with a full face-piece (EN 137).
Contaminated firefighting water must be disposed of in accordance with the regulations; do not allow to reach the sewage system.
Use personal protective equipment (Section 8).
Ensure adequate ventilation. Keep away from sources of ignition and/or heat; No smoking! Prevent access to unprotected personnel. No action shall be taken involving any personal risk or without suitable training. Evacuate the danger zone. Do not breathe vapour or mist. Avoid contact with skin, eyes and clothing.
During intervention, use personal protective equipment (Section 8).
Do not allow product to reach water/drains/sewage systems or permeable soil. In case of release into the environment, inform the relevant authorities.
Stem the spill if this does not pose risks.
Absorb product (with inert material), collect it in special container and dispose it to a licensed hazardous-waste disposal contractor. Prevent release into the sewer, water, basements or confined areas. Dispose in accordance with applicable regulations (see Section 13).
See Section 7: safe handling. See Section 11 for additional information on health hazards. Dispose of in accordance with the instructions from Section 13.
See also Sections 8 and 13.
Ensure adequate ventilation. Take precautionary measures against static discharges. Keep away from sources of ignition - no smoking. Use spark-proof tools.
Use general or local exhaust ventilation to prevent inhaling vapours and aerosols.
Do not discharge into drains, surface water and soil. After use immediately close container tightly.
Do not eat, drink or smoke while working. Do not breathe vapours/mist. Use good personal hygiene practices – wash hands at breaks and when done working with material. Avoid contact with skin, eyes and clothes. Remove contaminated clothes and wash them before reuse. Wear suitable protective equipment; see Section 8.
Protect from open fire, heat and direct sunlight. Keep away from food, drink and animal feeding stuffs. Keep in a cool, dry and well ventilated place. Store below 30°C. Keep away from incompatible products (see section 10).
Store only in original container.
Close opened containers after use. Put the containers upright to prevent from leaking. Do not store in unlabelled containers.
See identified uses in Section 1.2.
|Name (CAS)||Limit values||Short-term exposure limit||Remarks||Biological Tolerance Values|
|Methyl ethyl ketone peroxides (MEKP) (1338-23-4)||0,2||1,5|
|Hydrogen peroxide (7722-84-1)||1||1,4||2||2,8|
|hydrogen peroxide (7722-84-1)||1||1,5||India; source: Ministry of Labour and Employment|
BS EN 14042:2003 Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents. BS EN 482:2012+A1:2015 Workplace exposure. General requirements for the performance of procedures for the measurement of chemical agents. BS EN 689:2018 Workplace exposure. Measurement of exposure by inhalation to chemical agents. Strategy for testing compliance with occupational exposure limit values.
Do not breathe vapours/aerosols. Use good personal hygiene practices – wash hands at breaks and when done working with material. Handle in accordance with good industrial hygiene and safety practice. Do not eat, drink or smoke while working. Avoid contact with skin, eyes and clothes.
Remove all contaminated clothes immediately and wash them before reuse. Keep eyewash bottles or personal eyewash units and emergency showers available.
Provide good ventilation and local exhaust in areas with increased concentration. Keep away from food, drink and animal feeding stuffs.
Wear tight fitting protective goggles and/or face protection (EN 166).
Protective gloves (EN 374). The penetration time is determined by the protective glove manufacturer and must be observed. Observe the manufacturer's instructions regarding the use, storage, maintenance and replacement of gloves. In case of damage or at the first signs of wear and tear, change the gloves immediately. The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer.
|Butyl rubber||0,5 mm||≥ 8 h|
Cotton protective clothing and shoes that cover the entire foot (EN ISO 20345). At high risk of skin exposure chemical suits (EN ISO 6530:2005) and boots may be required (EN ISO 20345:2012). Immediately wash contaminated clothing before reuse.
Protective masks (EN 136) or half masks (EN 140) with filter A (EN 14387).
Do not allow product to reach drains, sewage systems or ground water.
|-||pH||4 – 7|
|-||Melting point/freezing point||No information.|
|-||Initial boiling point/boiling range||No information.|
|-||Flash point||> 80 °C|
|-||Evaporation rate||No information.|
|-||Flammability (solid, gas)||No information.|
|-||Explosion limits (vol%)||No information.|
|-||Vapour pressure||No information.|
|-||Vapour density||No information.|
1,11 – 1,13 g/cm3 at 20 °C
|-||Partition coefficient||No information.|
|-||Auto-ignition temperature||No information.|
|-||Decomposition temperature||≥ 60 °C (SADT (UN test H.4))|
18 – 22 mPas
|-||Explosive properties||No information.|
|-||Oxidising properties||Organic peroxide|
Stable under recommended transport or storage conditions.
In case of contact with incompatible materials, it may also decompose at a lower temperature than SADT.
The vapours may also form explosive mixtures with the air.
Protect from heat, direct sunlight, open fire, sparks.
Strong bases. Heavy metals. Heavy metal salts. Reducing agents. Avoid impurities (e.g. rust, dust, ash) risk of decomposition.
Under normal use conditions no hazardous decomposition products are expected. In case of fire/explosion vapours/gases that pose a health hazard are released.
|For product||oral||LD50||rat||1017 mg/kg|
|For product||inhalation||LC50||rat||17 mg/l|
|For product||dermal||LD50||rat||4000 mg/kg|
|Additional information: Harmful if swallowed.|
|Additional information: Causes severe skin burns.|
|Additional information: Causes serious eye damage.|
|Additional information: The product is not classified as sensitising.|
The product is not classified as carcinogenic, mutagenic or toxic for reproduction.
|Additional information: STOT SE (single exposure): Not classified.|
|Additional information: STOT RE (repeated exposure): Not classified.|
|Additional information: Aspiration hazard: Not classified.|
|LC50||44,2 mg/L||96 h||fish||Poecilia reticulata|
|EC50||39 mg/L||48 h||crustacea||Daphnia magna|
|EC50||5,6 mg/L||72 h||algae||Pseudokirchneriella subcapitata|
|EC50||48 mg/L||30 min||bacteria|
This mixture contains no substance considered to be persistent, bioaccumulating nor toxic (PBT).
Product is not classified as dangerous for environment.
Do not allow undiluted product or large quantities of it to reach ground water, water bodies or sewage system.
Do not allow product to reach drains/sewage systems. Disposal must be made according to official regulations: deliver it to authorised collector/remover/transformer of hazardous waste. Dispose of in accordance with applicable waste disposal regulation.
Deliver completely emptied containers to approved waste disposal authorities. Uncleaned containers are classified as hazardous waste - they should be handled in the same manner as the contents. Dispose of in accordance with applicable waste disposal regulation.
ORGANIC PEROXIDE TYPE D, LIQUID (methyl ethyl ketone peroxide)
80 °C, c.c.
Goods may not be carried in bulk in bulk containers, containers or vehicles.
- Regulation (EC) No 1907/2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)(including last amendment Commission Regulation (EU) 2015/830)
- Regulation (EC) No 1272/2008 on classification, labelling and packaging of substances and mixtures
A Chemical Safety Assessment has not been carried out.
ATE - Acute Toxicity Estimate
ADR - European Agreement concerning the International Carriage of Dangerous Goods by Road
ADN - European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways
CEN - European Committee for Standardisation
C&L - Classification and Labelling
CLP - Classification Labelling Packaging Regulation; Regulation (EC) No 1272/2008
CAS# - Chemical Abstracts Service number
CMR - Carcinogen, Mutagen, or Reproductive Toxicant
CSA - Chemical Safety Assessment
CSR - Chemical Safety Report
DMEL - Derived Minimal Effect Level
DNEL - Derived No Effect Level
DPD - Dangerous Preparations Directive 1999/45/EC
DSD - Dangerous Substances Directive 67/548/EEC
DU - Downstream User
EC - European Community
ECHA - European Chemicals Agency
EC-Number - EINECS and ELINCS Number (see also EINECS and ELINCS)
EEA - European Economic Area (EU + Iceland, Liechtenstein and Norway)
EEC - European Economic Community
EINECS - European Inventory of Existing Commercial Substances
ELINCS - European List of notified Chemical Substances
EN - European Standard
EQS - Environmental Quality Standard
EU - European Union
Euphrac - European Phrase Catalogue
EWC - European Waste Catalogue (replaced by LoW – see below)
GES - Generic Exposure Scenario
GHS - Globally Harmonized System
IATA - International Air Transport Association
ICAO-TI - Technical Instructions for the Safe Transport of Dangerous Goods by Air
IMDG - International Maritime Dangerous Goods
IMSBC - International Maritime Solid Bulk Cargoes
IT - Information Technology
IUCLID - International Uniform Chemical Information Database
IUPAC - International Union for Pure Applied Chemistry
JRC - Joint Research Centre
Kow - octanol-water partition coefficient
LC50 - Lethal Concentration to 50 % of a test population
LD50 - Lethal Dose to 50% of a test population (Median Lethal Dose)
LE - Legal Entity
LoW - List of Wastes (see http://ec.europa.eu/environment/waste/framework/list.htm)
LR - Lead Registrant
M/I - Manufacturer / Importer
MS - Member States
MSDS - Material Safety Data Sheet
OC - Operational Conditions
OECD - Organization for Economic Co-operation and Development
OEL - Occupational Exposure Limit
OJ - Official Journal
OR - Only Representative
OSHA - European Agency for Safety and Health at work
PBT - Persistent, Bioaccumulative and Toxic substance
PEC - Predicted Effect Concentration
PNEC(s) - Predicted No Effect Concentration(s)
PPE - Personal Protection Equipment
(Q)SAR - Qualitative Structure Activity Relationship
REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation (EC) No 1907/2006
RID - Regulations concerning the International Carriage of Dangerous Goods by Rail
RIP - REACH Implementation Project
RMM - Risk Management Measure
SCBA - Self-Contained Breathing Apparatus
SDS - Safety data sheet
SIEF - Substance Information Exchange Forum
SME - Small and Medium sized Enterprises
STOT - Specific Target Organ Toxicity
(STOT) RE - Repeated Exposure
(STOT) SE - Single Exposure
SVHC - Substances of Very High Concern
UN - United Nations
vPvB - Very Persistent and Very Bioaccumulative
Safety Data Sheet, Cure It Hardener, G& B Northwest Ltd, Revision Date: 9th July 2015, Version: 1.0.
H242 Heating may cause a fire.
H271 May cause fire or explosion; strong oxidiser.
H302 Harmful if swallowed.
H314 Causes severe skin burns and eye damage.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H332 Harmful if inhaled.