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Hazardous Chemical Details

Cas Number 7789-09-5
Chemical Name Chromic acid (H2Cr2O7), diammonium salt
Chemical Synonym Ammonium dichromate
Ammonium bichromate
Diammonium dichromate
Dichromic acid (H2Cr2O7), diammonium salt
Dichromic acid, diammonium salt
Hazard Category Oxidising solid – category 2
Acute toxicity (ingestion) - category 3
Acute toxicity (dermal) - category 4
Acute toxicity (inhalation) - category 2
Skin corrosion – category 1
Respiratory sensitisation – category 1
Skin sensitisation – category 1
Specific target organ toxicity (repeated exposure) – category 1
Reproductive toxicity – category 1B
Germ cell mutagenicity – category 1B
Carcinogenicity – category 1A
Hazardous to the aquatic environment (acute) – category 1
Hazardous to the aquatic environment (chronic) – category 1
Hazard Statement H272 (May intensify fire; oxidizer)
H301 (Toxic if swallowed)
H312 (Harmful in contact with skin)
H330 (Fatal if inhaled)
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)
H372 (Causes damage to organs through prolonged or repeated exposure)
H360FD (May damage fertility. May damage the unborn child)
H340 (May cause genetic defects)
H350 (May cause cancer)
H410 (Very toxic to aquatic life with long-lasting effects)
Pictogram Pictogram of Flame Over Circle GHS03 (Flame Over Circle)
Pictogram of Skull and Crossbones GHS06 (Skull and Crossbones)
Pictogram of Corrosion GHS05 (Corrosion)
Pictogram of Health Hazard GHS08 (Health Hazard)
Pictogram of Environment GHS09 (Environment)
Signal Word Danger
Cut-offs

Respiratory sensitisation - category 1 (H334): concentration >= 0.2%
Skin sensitisation - category 1 (H317): concentration >= 0.2%
Notes 17 (Generic cut off concentrations also apply to this chemical in addition to the specific cut off concentration(s) above. Refer to the generic cut off concentration table on the Reference Information page of HCIS (http://hcis.safeworkaustralia.gov.au/UserGuide).)
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
08/04/2022 Synonym modified from
[Ammonium dichromate;
Ammonium bichromate ;
Diammonium dichromate;
Dichromic acid (H2Cr2O7), diammonium salt;
Dichromic acid, diammonium salt]
to
[Ammonium dichromate;
Ammonium bichromate ;
Diammonium dichromate;
Dichromic acid (H2Cr2O7), diammonium salt;
Dichromic acid, diammonium salt]
Hazard Category modified from
[HC045:Oxidising solid – category 2,
HC071:Acute toxicity (ingestion) - category 3,
HC077:Acute toxicity (dermal) - category 4,
HC065:Acute toxicity (inhalation) - category 2,
HC079:Skin corrosion – category 1,
HC089:Respiratory sensitisation – category 1,
HC092:Skin sensitisation – category 1,
HC111:Specific target organ toxicity (repeated exposure) – category 1,
HC105:Reproductive toxicity – category 1B,
HC097:Germ cell mutagenicity – category 1B,
HC100:Carcinogenicity – category 1A,
HC115:Hazardous to the aquatic environment (acute) – category 1,
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,GHS05,GHS08,GHS09]
to
[GHS03,GHS05,GHS06,GHS08,GHS09]
08/04/2022 Name modified from
[Ammonium dichromate]
to
[Chromic acid (H2Cr2O7), diammonium salt]
Synonym modified from
[Chromic acid (H2Cr2O7), diammonium salt;
Ammonium bichromate ;
Diammonium dichromate;
Dichromic acid (H2Cr2O7), diammonium salt;
Dichromic acid, diammonium salt]
to
[Ammonium dichromate;
Ammonium bichromate ;
Diammonium dichromate;
Dichromic acid (H2Cr2O7), diammonium salt;
Dichromic acid, diammonium salt]
Hazard Category modified from
[HC045:Oxidising solid – category 2,
HC071:Acute toxicity (ingestion) - category 3,
HC077:Acute toxicity (dermal) - category 4,
HC065:Acute toxicity (inhalation) - category 2,
HC079:Skin corrosion – category 1,
HC089:Respiratory sensitisation – category 1,
HC092:Skin sensitisation – category 1,
HC111:Specific target organ toxicity (repeated exposure) – category 1,
HC105:Reproductive toxicity – category 1B,
HC097:Germ cell mutagenicity – category 1B,
HC100:Carcinogenicity – category 1A,
HC115:Hazardous to the aquatic environment (acute) – category 1,
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,GHS05,GHS08,GHS09]
to
[GHS03,GHS05,GHS06,GHS08,GHS09]
08/04/2022 Synonym modified from
[Chromic acid (H2Cr2O7), diammonium salt]
to
[Chromic acid (H2Cr2O7), diammonium salt;
Ammonium bichromate ;
Diammonium dichromate;
Dichromic acid (H2Cr2O7), diammonium salt;
Dichromic acid, diammonium salt]
Hazard Category modified from
[HC045:Oxidising solid – category 2,
HC071:Acute toxicity (ingestion) - category 3,
HC077:Acute toxicity (dermal) - category 4,
HC065:Acute toxicity (inhalation) - category 2,
HC079:Skin corrosion – category 1,
HC089:Respiratory sensitisation – category 1,
HC092:Skin sensitisation – category 1,
HC111:Specific target organ toxicity (repeated exposure) – category 1,
HC105:Reproductive toxicity – category 1B,
HC097:Germ cell mutagenicity – category 1B,
HC100:Carcinogenicity – category 1A,
HC115:Hazardous to the aquatic environment (acute) – category 1,
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,GHS05,GHS08,GHS09]
to
[GHS03,GHS05,GHS06,GHS08,GHS09]
Sources modified from
[EU,N]
to
[EU,A]
08/04/2022 CutOffs modified from
[]
to
[

Respiratory sensitisation - category 1 (H334): concentration >= 0.2%
Skin sensitisation - category 1 (H317): concentration >= 0.2%

]
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;
H301 Toxic if swallowed;
H312 Harmful in contact with skin;
H330 Fatal if inhaled;
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;
H372 Causes damage to organs through prolonged or repeated exposure;
H360FD May damage fertility. May damage the unborn child;
H340 May cause genetic defects;
H350 May cause cancer;
H410 Very toxic to aquatic life with long-lasting effects]
Notes modified from
[8 ]
to
[8 ,17 ]
Sources modified from
[N,EU]
to
[EU,N]
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



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