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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: other routes
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1994
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: abstracted from the summary published in the well-known publication

Data source

Reference
Reference Type:
publication
Title:
Toxicological Evaluations 6-Potential Health Hazards of Existing Chemicals-Hydroxylamine and its salts
Author:
Springer-Verlag, Berlin Heidelberg New York, London Paris Tokyo, Hong Kong Barcelona, Budapest
Year:
1994

Materials and methods

GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Hydroxylamine hydrochloride
IUPAC Name:
Hydroxylamine hydrochloride
Test material form:
not specified

Test animals

Species:
mouse
Strain:
CD-1
Sex:
female

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
not specified
Doses:
97 to 153 mg/kg body weight

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
>= 127 mg/kg bw
Based on:
act. ingr.
Mortality:
Death of the mice after high doses similarly occurred within 10 minutes.
Clinical signs:
The methaemoglobin content increased to a maximum of 13 to 14%, but rapidly returned to normal (within 60 minutes)

Applicant's summary and conclusion

Conclusions:
LD50(female mice, intraperitoneal injection)>=127 mg/kg bw
Executive summary:

An LD50 of 1.83 mmol/kg body weight( 127 mg/kg body weight) was found in female CD1 mice after intraperitoneal injection of the hydrochloride. Within 10 minutes of the administration of 97 to 153 mg/kg body weight, the methaemoglobin content increased to a maximum of 13 to 14%, but rapidly returned to normal (within 60 minutes). Death of the mice after high doses similarly occurred within 10 minutes.