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| Cas Number | 7778-50-9 |
| Chemical Name | Potassium dichromate |
| Chemical Synonym |
Chromic acid (H2Cr2O7), dipotassium salt Potassium bichromate Dipotassium bichromate Dipotassium dichromate Lopezite |
| Hazard Category |
Oxidising solid – category 2 Germ cell mutagenicity – category 1B Skin corrosion – category 1 Specific target organ toxicity (repeated exposure) – category 1 Respiratory sensitisation – category 1 Skin sensitisation – category 1 Hazardous to the aquatic environment (acute) – category 1 Carcinogenicity – category 1A Reproductive toxicity – category 1B Hazardous to the aquatic environment (chronic) – category 1 Acute toxicity (inhalation) - category 2 Acute toxicity (dermal) - category 4 Acute toxicity (ingestion) - category 3 |
| Hazard Statement |
H272 (May intensify fire; oxidizer) H350 (May cause cancer) H340 (May cause genetic defects) H314 (Causes severe skin burns and eye damage) H372 (Causes damage to organs through prolonged or repeated exposure) H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled) H317 (May cause an allergic skin reaction) H410 (Very toxic to aquatic life with long-lasting effects) H360FD (May damage fertility. May damage the unborn child) H330 (Fatal if inhaled) H312 (Harmful in contact with skin) H301 (Toxic if swallowed) |
| Pictogram |
GHS03 (Flame Over Circle) 
GHS06 (Skull and Crossbones) 
GHS08 (Health Hazard) 
GHS05 (Corrosion) 
GHS09 (Environment) |
| 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.) N (The classification information for this entry was provided by the National Industrial Chemical Notification and Assessment Scheme) |
Hazardous Chemical History
| Date | Description |
|---|---|
| 18/08/2021 |
Synonym modified from [Chromic acid (H2Cr2O7), dipotassium salt] to [Chromic acid (H2Cr2O7), dipotassium salt; Potassium bichromate ; Dipotassium bichromate; Dipotassium dichromate; Lopezite] Hazard Category modified from [HC045:Oxidising solid – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC118:Hazardous to the aquatic environment (chronic) – category 1, HC065:Acute toxicity (inhalation) - category 2, HC077:Acute toxicity (dermal) - category 4, HC071:Acute toxicity (ingestion) - category 3] to [HC045:Oxidising solid – category 2, HC065:Acute toxicity (inhalation) - category 2, HC071:Acute toxicity (ingestion) - category 3, HC077:Acute toxicity (dermal) - category 4, HC079:Skin corrosion – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC097:Germ cell mutagenicity – category 1B, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC118:Hazardous to the aquatic environment (chronic) – category 1] Pictogram modified from [GHS03,GHS06,GHS08,GHS05,GHS09] to [GHS03,GHS05,GHS06,GHS08,GHS09] |
| 18/08/2021 |
Hazard Category modified from [HC045:Oxidising solid – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC118:Hazardous to the aquatic environment (chronic) – category 1, HC065:Acute toxicity (inhalation) - category 2, HC077:Acute toxicity (dermal) - category 4, HC071:Acute toxicity (ingestion) - category 3] to [HC045:Oxidising solid – category 2, HC065:Acute toxicity (inhalation) - category 2, HC071:Acute toxicity (ingestion) - category 3, HC077:Acute toxicity (dermal) - category 4, HC079:Skin corrosion – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC097:Germ cell mutagenicity – category 1B, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC118:Hazardous to the aquatic environment (chronic) – category 1] Pictogram modified from [GHS03,GHS06,GHS08,GHS05,GHS09] to [GHS03,GHS05,GHS06,GHS08,GHS09] Sources modified from [] to [EU,N] |
| 18/08/2021 |
Hazard Category modified from [HC045:Oxidising solid – category 2, HC061:Acute toxicity – category 3, HC062:Acute toxicity – category 4, HC060:Acute toxicity – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC118:Hazardous to the aquatic environment (chronic) – category 1] to [HC045:Oxidising solid – category 2, HC065:Acute toxicity (inhalation) - category 2, HC071:Acute toxicity (ingestion) - category 3, HC077:Acute toxicity (dermal) - category 4, HC079:Skin corrosion – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC097:Germ cell mutagenicity – category 1B, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC118:Hazardous to the aquatic environment (chronic) – category 1] Pictogram modified from [GHS03,GHS06,GHS08,GHS05,GHS09] to [GHS03,GHS05,GHS06,GHS08,GHS09] Hazard Statement modified from [H272 May intensify fire; oxidizer; H301 Toxic if swallowed; H312 Harmful in contact with skin; H330 Fatal if inhaled; H350 May cause cancer; H340 May cause genetic defects; H314 Causes severe skin burns and eye damage; H372 Causes damage to organs through prolonged or repeated exposure; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long-lasting effects; H360FD May damage fertility. May damage the unborn child] to [H272 May intensify fire; oxidizer; H350 May cause cancer; H340 May cause genetic defects; H314 Causes severe skin burns and eye damage; H372 Causes damage to organs through prolonged or repeated exposure; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long-lasting effects; H360FD May damage fertility. May damage the unborn child; H330 Fatal if inhaled; H312 Harmful in contact with skin; H301 Toxic if swallowed] Sources modified from [N,EU] to [] |
| 09/03/2021 |
Hazard Category modified from [HC045:Oxidising solid – category 2, HC061:Acute toxicity – category 3, HC062:Acute toxicity – category 4, HC060:Acute toxicity – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC118:Hazardous to the aquatic environment (chronic) – category 1] to [HC045:Oxidising solid – category 2, HC060:Acute toxicity – category 2, HC061:Acute toxicity – category 3, HC062:Acute toxicity – category 4, HC079:Skin corrosion – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC097:Germ cell mutagenicity – category 1B, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC118:Hazardous to the aquatic environment (chronic) – category 1] Pictogram modified from [GHS03,GHS06,GHS08,GHS05,GHS09] to [GHS03,GHS05,GHS06,GHS08,GHS09] Hazard Statement modified from [H272 May intensify fire; oxidizer; H301 Toxic if swallowed; H312 Harmful in contact with skin; H330 Fatal if inhaled; H350 May cause cancer; H340 May cause genetic defects; H314 Causes severe skin burns and eye damage; H372 Causes damage to organs through prolonged or repeated exposure; H360 May damage fertility or the unborn child; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long-lasting effects] to [H272 May intensify fire; oxidizer; H301 Toxic if swallowed; H312 Harmful in contact with skin; H330 Fatal if inhaled; H350 May cause cancer; H340 May cause genetic defects; H314 Causes severe skin burns and eye damage; H372 Causes damage to organs through prolonged or repeated exposure; H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long-lasting effects; H360FD May damage fertility. May damage the unborn child] |
| 25/11/2016 |
Hazard Category modified from [HC045:Oxidising solid – category 2, HC061:Acute toxicity – category 3, HC062:Acute toxicity – category 4, HC060:Acute toxicity – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1] to [HC045:Oxidising solid – category 2, HC061:Acute toxicity – category 3, HC062:Acute toxicity – category 4, HC060:Acute toxicity – category 2, HC097:Germ cell mutagenicity – category 1B, HC079:Skin corrosion – category 1, HC111:Specific target organ toxicity (repeated exposure) – category 1, HC089:Respiratory sensitisation – category 1, HC092:Skin sensitisation – category 1, HC115:Hazardous to the aquatic environment (acute) – category 1, HC100:Carcinogenicity – category 1A, HC105:Reproductive toxicity – category 1B, HC118:Hazardous to the aquatic environment (chronic) – category 1] |
| 23/06/2016 | Chemical Added |