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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: although data from handbook without details on the method the result can contribute to the evaluation

Data source

Reference
Reference Type:
review article or handbook
Title:
Prehled Prumyslove Toxikologie; Organicke Latky
Author:
Marhold J
Year:
1986
Bibliographic source:
Avicenum, page 1114

Materials and methods

Principles of method if other than guideline:
invivo test with rats (no details)
GLP compliance:
not specified
Test type:
other: in vivo test with rats

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl hydrogenphosphonate
EC Number:
237-027-4
EC Name:
Methyl hydrogenphosphonate
Cas Number:
13590-71-1
Molecular formula:
CH5O3P
IUPAC Name:
Phosphonic acid, monomethyl ester
Test material form:
other: liquid
Details on test material:
no details given

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
not specified
Details on oral exposure:
no details given
Doses:
no details given
No. of animals per sex per dose:
no details given
Control animals:
not specified
Details on study design:
no details given
Statistics:
no details given

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
1 740 mg/kg bw
Mortality:
no details given
Clinical signs:
other: no details given
Gross pathology:
no details given

Applicant's summary and conclusion

Executive summary:

Marhold (1986) reported LD50(rat, oral) = 1740 mg/kg bw, details were not given.