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| Cas Number | 624-83-9 |
| Chemical Name | methyl isocyanate |
| Chemical Synonym |
isocyanic acid, methyl ester
iso-cyanatomethane methyl carbonimide |
| Hazard Category |
Skin corrosion – category 1B Respiratory sensitisation – category 1 Skin sensitisation – category 1 Germ cell mutagenicity – category 2 Reproductive toxicity – category 2 Specific target organ toxicity (single exposure) – category 3 Specific target organ toxicity (repeated exposure) – category 1 Flammable liquid – category 2 Acute toxicity (inhalation) - category 1 Acute toxicity (ingestion) - category 3 Acute toxicity (dermal) - category 3 |
| Hazard Statement |
H314 (Causes severe skin burns and eye damage) H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled) H317 (May cause an allergic skin reaction) H341 (Suspected of causing genetic defects) H361d (Suspected of damaging the unborn child) H335 (May cause respiratory irritation) H372 (Causes damage to organs through prolonged or repeated exposure through inhalation) H225 (Highly flammable liquid and vapour) H330 (Fatal if inhaled) H301 (Toxic if swallowed) H311 (Toxic in contact with skin) |
| Pictogram |
GHS02 (
Flame
) 
GHS05 (Corrosion) 
GHS06 (Skull and Crossbones) 
GHS08 (Health Hazard) |
| Signal Word | Danger |
| Cut-offs | |
| Notes |
8 (The tables in schedule 6 of the WHS regulations replace some tables in the GHS, this may affect the cut off concentrations for this chemical.) |
| Sources |
EU (Classification information for chemical is taken from the European Union’s Classification, Labelling and Packaging (CLP) Regulation.) A (The classification information for this entry was provided by the Australian Industrial Chemicals Introduction Scheme) |
Hazardous Chemical History
| Date | Description |
|---|---|
| 18/08/2021 |
Synonym modified from [] to [isocyanic acid, methyl ester ; iso-cyanatomethane ; methyl carbonimide ] Hazard Category modified from [HC081:Skin corrosion – category 1B, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC098:Germ cell mutagenicity – category 2, HC106:Reproductive toxicity – category 2, HC110:Specific target organ toxicity (single exposure) – category 3, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC022:Flammable liquid – category 2, HC064:Acute toxicity (inhalation) - category 1, HC071:Acute toxicity (ingestion) - category 3, HC076:Acute toxicity (dermal) - category 3] to [HC022:Flammable liquid – category 2, HC064:Acute toxicity (inhalation) - category 1, HC071:Acute toxicity (ingestion) - category 3, HC076:Acute toxicity (dermal) - category 3, HC081:Skin corrosion – category 1B, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC098:Germ cell mutagenicity – category 2, HC106:Reproductive toxicity – category 2, HC110:Specific target organ toxicity (single exposure) – category 3, HC111:Specific target organ toxicity (repeated exposure) – category 1] Hazard Statement modified from [H314 Causes severe skin burns and eye damage; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H341 Suspected of causing genetic defects; H361d Suspected of damaging the unborn child; H335 May cause respiratory irritation; H372 Causes damage to organs through prolonged or repeated exposure; H225 Highly flammable liquid and vapour; H330 Fatal if inhaled; H301 Toxic if swallowed; H311 Toxic in contact with skin] to [H314 Causes severe skin burns and eye damage; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H341 Suspected of causing genetic defects; H361d Suspected of damaging the unborn child; H335 May cause respiratory irritation; H372 Causes damage to organs through prolonged or repeated exposure through inhalation; H225 Highly flammable liquid and vapour; H330 Fatal if inhaled; H301 Toxic if swallowed; H311 Toxic in contact with skin] |
| 18/08/2021 |
Hazard Category modified from [HC059:Acute toxicity – category 1, HC061:Acute toxicity – category 3, HC061:Acute toxicity – category 3, HC081:Skin corrosion – category 1B, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC098:Germ cell mutagenicity – category 2, HC106:Reproductive toxicity – category 2, HC110:Specific target organ toxicity (single exposure) – category 3, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC022:Flammable liquid – category 2] to [HC022:Flammable liquid – category 2, HC064:Acute toxicity (inhalation) - category 1, HC071:Acute toxicity (ingestion) - category 3, HC076:Acute toxicity (dermal) - category 3, HC081:Skin corrosion – category 1B, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC098:Germ cell mutagenicity – category 2, HC106:Reproductive toxicity – category 2, HC110:Specific target organ toxicity (single exposure) – category 3, HC111:Specific target organ toxicity (repeated exposure) – category 1] Hazard Statement modified from [H330 Fatal if inhaled; H301 Toxic if swallowed; H311 Toxic in contact with skin; H314 Causes severe skin burns and eye damage; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H341 Suspected of causing genetic defects; H361d Suspected of damaging the unborn child; H335 May cause respiratory irritation; H372 Causes damage to organs through prolonged or repeated exposure; H225 Highly flammable liquid and vapour] to [H314 Causes severe skin burns and eye damage; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H341 Suspected of causing genetic defects; H361d Suspected of damaging the unborn child; H335 May cause respiratory irritation; H372 Causes damage to organs through prolonged or repeated exposure; H225 Highly flammable liquid and vapour; H330 Fatal if inhaled; H301 Toxic if swallowed; H311 Toxic in contact with skin] Sources modified from [N,EU] to [EU,A] |
| 09/05/2018 |
Hazard Category modified from [HC022:Flammable liquid – category 2, HC106:Reproductive toxicity – category 2, HC060:Acute toxicity – category 2, HC061:Acute toxicity – category 3, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC110:Specific target organ toxicity (single exposure) – category 3, HC085:Eye damage – category 1, HC083:Skin irritation – category 2] to [HC059:Acute toxicity – category 1, HC061:Acute toxicity – category 3, HC061:Acute toxicity – category 3, HC081:Skin corrosion – category 1B, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC098:Germ cell mutagenicity – category 2, HC106:Reproductive toxicity – category 2, HC110:Specific target organ toxicity (single exposure) – category 3, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC022:Flammable liquid – category 2] Pictogram modified from [GHS02,GHS06,GHS05,GHS08] to [GHS02,GHS05,GHS06,GHS08] Hazard Statement modified from [H225 Highly flammable liquid and vapour; H361d Suspected of damaging the unborn child; H330 Fatal if inhaled; H311 Toxic in contact with skin; H301 Toxic if swallowed; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H335 May cause respiratory irritation; H315 Causes skin irritation; H318 Causes serious eye damage] to [H330 ; H301 ; H311 ; H314 ; H334 ; H317 ; H341 ; H361d ; H335 ; H372 ; H225 ] Sources modified from [EU] to [N,EU] |
| 25/11/2016 |
Hazard Category modified from [HC022:Flammable liquid – category 2, HC106:Reproductive toxicity – category 2, HC060:Acute toxicity – category 2, HC061:Acute toxicity – category 3, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC110:Specific target organ toxicity (single exposure) – category 3, HC085:Eye damage – category 1] to [HC022:Flammable liquid – category 2, HC106:Reproductive toxicity – category 2, HC060:Acute toxicity – category 2, HC061:Acute toxicity – category 3, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC110:Specific target organ toxicity (single exposure) – category 3, HC085:Eye damage – category 1, HC083:Skin irritation – category 2] |
| 23/06/2016 | Chemical Added |