Summary of Classification and Labelling
Harmonised classification - Annex VI of Regulation (EC) No 1272/2008 (CLP Regulation)
General Information
Index Number EC / List no. CAS Number International Chemical Identification
604-005-00-4 204-617-8 123-31-9 1,4-dihydroxybenzene
hydroquinone
quinol

ATP Inserted / Updated: CLP00/ATP01
CLP Classification (Table 3)
Classification Labelling Specific Concentration limits, M-Factors, Acute Toxicity Estimates (ATE) Notes
Hazard Class and Category Code(s) Hazard Statement Code(s) Hazard Statement Code(s) Supplementary Hazard Statement Code(s) Pictograms, Signal Word Code(s)
Acute Tox. 4 * H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
M=10
Eye Dam. 1 H318 H318
Skin Sens. 1 H317 H317
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400

Signal Words Pictograms
Danger
GHS08
Health hazard
GHS07
Exclamation mark
GHS09
Environment
GHS05
Corrosion
Seveso III Data
Disclaimer: Please note that some of the substances covered by the Seveso Directive can belong to more than one Seveso categories. It will be up to the users to decide whether their substance or mixture fall in one or in more of these classification categories depending on the tonnage bands and the concentrations.
Please also note that ECHA is not an authority for the Seveso Directive and that the Seveso categorisation below is provided for information only. The Seveso III Directive (Directive 2012/18/EU repealing Directive 96/82/EC (Seveso II) from 1 June 2015) is the only authentic legal reference and that the information in this inventory does not constitute legal advice. For further information on Seveso, please ask your national authority.

Seveso Data
Seveso Substance Seveso Categories
Da E1
Notified classification and labelling
General Information
EC / List no.
Name CAS Number
204-617-8 Hydroquinone 123-31-9

Notified classification and labelling according to CLP criteria
Classification Labelling Specific Concentration limits, M-Factors Notes Classification affected by Impurities / Additives

Additional Notified Information

Number of Notifiers

Joint Entries

Hazard Class and Category Code(s) Hazard Statement Code(s) Hazard Statement Code(s) Supplementary Hazard Statement Code(s) Pictograms, Signal Word Code(s)
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
M(Chronic)=1
State/Form
16 yes View details
Skin Sens. 1B H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
M=10
State/Form
1296 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302   GHS08
GHS07
GHS09
GHS05
Dgr
441 View details
  H302+H312
Acute Tox. 4 H312  
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
M=10
M(Chronic)=1
State/Form
113 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
State/Form
95 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
State/Form
82 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
Dgr
M=10
59 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M(Chronic)=1
M=10
State/Form
57 View details
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS05
GHS09
Dgr
38 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
36 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341 (Suspected of ca...)
Carc. 2 H351 H351 (Suspected of ca...)
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
State/Form
36 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
31 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341 (Suspected of ca...)
Carc. 2 H351 H351 (Suspected of ca...)
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
M(Chronic)=1
State/Form
30 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
M=10
M(Chronic)=1
28 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341 (Suspected of ca...)
Carc. 2 H351 H351 (Suspected of ca...)
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=10
State/Form
25 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
State/Form
18 View details
Skin Sens. 1B H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
M=10
State/Form
13 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351  
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
9 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341 (Suspected of ca...)
Carc. 2 H351 H351 (Suspected of ca...)
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS09
GHS05
Dgr
M=1
State/Form
7 View details
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400  
Aquatic Chronic 1 H410 H410
Acute Tox. 3 H301 H301 GHS07
GHS08
GHS05
GHS09
Dgr
M=10
State/Form
6 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 (H302) GHS07
GHS08
GHS09
GHS05
Dgr
5 View details
Skin Sens. 1 H317 H317 (H317)
Eye Dam. 1 H318 H318 (H318)
Muta. 2 H341 H341 (H341)
Carc. 2 H351 H351 (H351)
Aquatic Acute 1 H400 H400 (H400)
  H302 GHS07
GHS08
GHS09
GHS05
Dgr
4 View details
  H317
  H318
  H341
  H351
  H400
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
M=10
State/Form
4 View details
Skin Sens. 1B H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302   Dgr
1 View details
Skin Sens. 1 H317  
Eye Dam. 1 H318  
Aquatic Acute 1 H400  
  NA
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS05
GHS09
Dgr
Note M
State/Form
1 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
GHS05
GHS09
Dgr
State/Form
1 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341  
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
1 View details
Eye Dam. 1 H318 H318
Resp. Sens. 1 H334 H334
Muta. 2 H341 H341 (Suspected of ca...)
Carc. 2 H351 H351 (Suspected of ca...)
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
M=10
State/Form
1 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410  
Acute Tox. 4 H302   Dgr
1 View details
Skin Sens. 1 H317  
Eye Dam. 1 H318  
Muta. 2 H341  
Carc. 2 H351  
Aquatic Acute 1 H400  
  NA
Not Classified               1  
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
1 View details
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317
Muta. 1B H340 H340
Carc. 2 H351 H351
Repr. 1B H360 H360
STOT SE 1 H370 (other:data lack...) H370
STOT SE 1 H370 (data lacking) H370
STOT RE 1 H372 (data lacking) H372
STOT RE 1 H372 (other:data lack...) H372
Aquatic Acute 1 H400  
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS05
GHS09
Dgr
State/Form
1 View details
Skin Sens. 1 H317 H317
  H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Skin Sens. 1 H317 H317 GHS08
GHS07
Wng
State/Form
1 View details
Eye Irrit. 2 H319 H319
Muta. 2 H341 H341
Carc. 2 H351 H351
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS05
GHS09
Dgr
M=10
1 View details
Skin Sens. 1B H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Acute Tox. 4 H302 H302 GHS07
GHS08
GHS05
GHS09
Dgr
M=10
M(Chronic)=1
1 View details
Skin Sens. 1B H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 H341
Carc. 2 H351 H351
Aquatic Acute 1 H400 H400
Aquatic Chronic 1 H410 H410
Acute Tox. 4 H302 H302 GHS08
GHS07
GHS09
GHS05
Dgr
M=10
State/Form
1 View details
Skin Sens. 1 H317 H317
Eye Dam. 1 H318 H318
Muta. 2 H341 (inhalation,oral) H341
Carc. 2 H351 (inhalation,oral) H351
Aquatic Acute 1 H400 H400

Number of Aggregated Notifications: 36