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
612-101-00-2 202-905-8 100-97-0 methenamine
hexamethylenetetramine

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)
Flam. Sol. 2 H228 H228 GHS07
GHS02
Wng
Skin Sens. 1 H317 H317

Signal Words Pictograms
Warning
GHS07
Exclamation mark
GHS02
Flame
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
Ne
Notified classification and labelling
General Information
EC / List no.
Name CAS Number
202-905-8 Methenamine 100-97-0

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)
Flam. Sol. 2 H228 H228 GHS02
GHS07
Wng
State/Form
763 yes View details
Skin Sens. 1 H317 H317
Flam. Sol. 2 H228 H228 GHS02
GHS07
Wng
State/Form
76 yes View details
Skin Sens. 1B H317 H317
Flam. Sol. 2 H228 H228 GHS02
GHS07
Dgr
State/Form
71 View details
Skin Sens. 1 H317 H317
Flam. Sol. 2 H228 H228 GHS01
Wng
59 View details
Skin Sens. 1 H317 H317
Flam. Sol. 2 H228 H228 GHS08
GHS07
GHS02
Dgr
State/Form
15 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334 H334
Flam. Sol. 2 H228 H228 GHS07
GHS02
Wng
11 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334 H334
Flam. Sol. 2 H228 H228 GHS02
GHS08
Dgr
State/Form
11 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334 H334
Flam. Sol. 2 H228 H228 GHS08
GHS02
GHS07
Dgr
10 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334  
Flam. Sol. 2 H228 H228 (H228) GHS02
GHS07
Wng
5 View details
Skin Sens. 1 H317 H317 (H317)
Flam. Sol. 2 H228 H228 Wng
3 View details
Skin Sens. 1 H317 H317
Flam. Sol. 2 H228 H228 GHS02
GHS07
Wng
State/Form
3 View details
Skin Irrit. 2 H315 H315
Skin Sens. 1 H317 H317
Eye Irrit. 2A H319 H319
STOT SE 3 H335 (other:Respirato...) (inhalation) H335
Flam. Sol. 1 H228 H228 GHS08
GHS02
GHS07
Dgr
State/Form
1 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334 H334
Flam. Sol. 2 H228   Wng
1 View details
Skin Sens. 1 H317  
  NA
Flam. Sol. 2 H228 H228 GHS07
GHS02
Wng
yes State/Form
1 View details
Skin Sens. 1 H317 H317
Flam. Sol. 1 H228 H228 GHS07
GHS02
Dgr
1 View details
Skin Sens. 1 H317 H317
  H228 GHS07
GHS02
Wng
1 View details
  H317
Flam. Sol. 1 H228 H228 GHS07
GHS02
Wng
1 View details
Skin Sens. 1 H317 H317
Flam. Sol. 2 H228 H228 GHS02
GHS07
Wng
1 View details
Skin Sens. 1 H317 H317
Resp. Sens. 1 H334 H334
Repr. 2 H361 H361
STOT RE 1 H372 (other:data lack...) H372
STOT RE 1 H372 (data lacking) H372
Flam. Liq. 1 H224 H224 GHS02
GHS07
Dgr
State/Form
1 View details
Flam. Sol. 2 H228 H228
Skin Sens. 1 H317 H317

Number of Aggregated Notifications: 19