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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: secondary citation in a peer Review based on a guideline study

Data source

Reference
Reference Type:
secondary source
Title:
Hoechst AG (1985): Unveröffentl. Unters. (Ber.-Nr. 85.0015)
Author:
European Chemical Bureau (ECB)
Year:
2000

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Phosphonic acid
EC Number:
237-066-7
EC Name:
Phosphonic acid
Cas Number:
13598-36-2
Molecular formula:
H3O3P
IUPAC Name:
phosphonic acid
Test material form:
other: liquid
Details on test material:
IUCLID4 Test substance: as prescribed by 1.1 - 1.4

Test animals

Species:
rabbit
Strain:
not specified
Details on test animals or test system and environmental conditions:
no data

Test system

Type of coverage:
not specified
Preparation of test site:
not specified
Vehicle:
physiological saline
Controls:
not specified
Amount / concentration applied:
500 mg/patch
Duration of treatment / exposure:
3 min and 4 hours
Observation period:
according to guideline: no details given
Number of animals:
according to guideline: no details given
Details on study design:
according to the respective guideline

Results and discussion

In vivo

Results
Irritation parameter:
other: the sloggy test substance was evaluated corrosive
Basis:
other: the sloggy testsubstance was evaluated corrosive
Time point:
other: 3 min or 4 hours, respectively
Reversibility:
other: the sloggy testsubstance was evaluated corrosive
Remarks on result:
other: no details given
Irritant / corrosive response data:
the test substance was evaluated corrosive

Applicant's summary and conclusion

Interpretation of results:
Category 1A (corrosive) based on GHS criteria
Conclusions:
Classification: highly corrosive (causes severe burns)
Executive summary:

Phosphonic acid is tested for skin irritation according to OECD TG 403 and revealed to be corrosive.

ECB (2000):

SO-Freetext: Hoechst AG  Frankfurt/Main
Hoechst AG  Frankfurt/Main
Clariant GmbH  Frankfurt am Main:

Only the sloggy product was corrosive to the skin