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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1977
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1977

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
fixed concentration procedure, steady stream air; saturated vapour 23.9 - 26.5 °C
GLP compliance:
not specified
Test type:
fixed concentration procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Methylphosphonous dichloride
EC Number:
211-631-8
EC Name:
Methylphosphonous dichloride
Cas Number:
676-83-5
Molecular formula:
CH3Cl2P
IUPAC Name:
dichloro(methyl)phosphane

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
inhalation: vapour
Type of inhalation exposure:
whole body
Vehicle:
other: unchanged (no vehicle)
Analytical verification of test atmosphere concentrations:
not specified
Remarks on duration:
1, 5, 7 or 10 minutes respectively
No. of animals per sex per dose:
male: 6 animals
female: 6 animals
Control animals:
no

Results and discussion

Effect levelsopen allclose all
Sex:
male
Dose descriptor:
LC0
Effect level:
ca. 720 mg/L air
Exp. duration:
1 min
Remarks on result:
other: concentration calculated
Sex:
female
Dose descriptor:
LC0
Effect level:
ca. 720 mg/L air
Exp. duration:
1 min
Remarks on result:
other: concentration calculated
Sex:
male
Dose descriptor:
LC0
Effect level:
ca. 1 178 mg/L air
Exp. duration:
5 min
Remarks on result:
other: concentration calculated
Sex:
male
Dose descriptor:
LC100
Effect level:
ca. 963 mg/L air
Exp. duration:
10 min
Remarks on result:
other: concentration calculated
Sex:
female
Dose descriptor:
LC100
Effect level:
ca. 963 mg/L air
Exp. duration:
10 min
Remarks on result:
other: concentration calculated
Sex:
female
Dose descriptor:
other: 4 of 6 animals died, within 1 - 2 day
Effect level:
ca. 1 178 mg/L air
Exp. duration:
5 min
Remarks on result:
other: concentration calculated
Sex:
male
Dose descriptor:
other: 5 of 6 animals died within 2 days
Effect level:
1 083 mg/L air
Exp. duration:
7 min
Remarks on result:
other: concentration calculated
Sex:
female
Dose descriptor:
other: 5 of 6 animals died within 2 days
Effect level:
ca. 1 083 mg/L air
Exp. duration:
7 min
Remarks on result:
other: concentration calculated

Applicant's summary and conclusion

Interpretation of results:
harmful
Remarks:
Migrated information Criteria used for interpretation of results: EU