Hazardous Chemical Information System (HCIS)



Hazardous Chemical Details

Cas Number 123-31-9
Chemical Name 1,4-dihydroxybenzene
Chemical Synonym hydroquinone
quinol
1,4-Benzenediol
Hazard Category Acute toxicity – category 4
Carcinogenicity – category 2
Germ cell mutagenicity – category 2
Eye damage – category 1
Skin sensitisation – category 1
Hazardous to the aquatic environment (acute) – category 1
Hazard Statement H302 (Harmful if swallowed)
H351 (Suspected of causing cancer)
H341 (Suspected of causing genetic defects)
H318 (Causes serious eye damage)
H317 (May cause an allergic skin reaction)
H400 (Very toxic to aquatic life)
Pictogram Pictogram of Exclamation Mark GHS07 (Exclamation Mark)
Pictogram of Health Hazard GHS08 (Health Hazard)
Pictogram of Corrosion GHS05 (Corrosion)
Pictogram of Environment 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 N (The classification information for this entry was provided by the National Industrial Chemical Notification and Assessment Scheme)
EU (Classification information for chemical is taken from the European Union’s Classification, Labelling and Packaging (CLP) Regulation.)

Hazardous Chemical History

Date Description
09/05/2018 Synonym modified from
[ hydroquinone;
quinol]
to
[hydroquinone;
quinol;
1,4-Benzenediol]
Hazard Category modified from
[HC102:Carcinogenicity – category 2,
HC098:Germ cell mutagenicity – category 2,
HC062:Acute toxicity – category 4,
HC085:Eye damage – category 1,
HC115:Hazardous to the aquatic environment (acute) – category 1,
HC092:Skin sensitisation – category 1]

to
[HC062:Acute toxicity – category 4,
HC102:Carcinogenicity – category 2,
HC098:Germ cell mutagenicity – category 2,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1,
HC115:Hazardous to the aquatic environment (acute) – category 1]

Pictogram modified from
[GHS05,GHS08,GHS07,GHS09]
to
[GHS07,GHS08,GHS05,GHS09]
Hazard Statement modified from
[H351 Suspected of causing cancer;
H341 Suspected of causing genetic defects;
H302 Harmful if swallowed;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction;
H400 Very toxic to aquatic life]
to
[H302 ;
H351 ;
H341 ;
H318 ;
H317 ;
H400 ]
Sources modified from
[EU]
to
[N,EU]
25/11/2016 Hazard Category modified from
[HC102:Carcinogenicity – category 2,
HC098:Germ cell mutagenicity – category 2,
HC062:Acute toxicity – category 4,
HC085:Eye damage – category 1,
HC115:Hazardous to the aquatic environment (acute) – category 1]

to
[HC102:Carcinogenicity – category 2,
HC098:Germ cell mutagenicity – category 2,
HC062:Acute toxicity – category 4,
HC085:Eye damage – category 1,
HC115:Hazardous to the aquatic environment (acute) – category 1,
HC092:Skin sensitisation – category 1]
23/06/2016 Chemical Added