Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1980
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 403 (Acute Inhalation Toxicity)
Principles of method if other than guideline:
Method: BASF-test
GLP compliance:
no
Test type:
acute toxic class method

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-dimethoxyphenethylamine
EC Number:
204-376-9
EC Name:
3,4-dimethoxyphenethylamine
Cas Number:
120-20-7
Molecular formula:
C10H15NO2
IUPAC Name:
2-(3,4-dimethoxyphenyl)ethanamine
Test material form:
liquid
Details on test material:
- name of substance: homoveratrylamin
- Purity: 98 %
- substance number: 78/836
- appearance: clear, yellowish, slightly viscous liquid

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: WIGA Versuchstierzuchtanstalt, Sulzfeld
- Weight at study initiation: 185 +/- 15 g
- Fasting period before study:
- Diet (e.g. ad libitum): Herilan MRH, H. Eggersmann KG, Rinteln/Weseer, ad libitum
- Water (e.g. ad libitum): tap water, ad libitum

Administration / exposure

Route of administration:
inhalation: aerosol
Type of inhalation exposure:
nose/head only
Vehicle:
air
Details on inhalation exposure:
- inhalation period: 4 h
- observation period: 14 days
- Exposure system: head-to-nose inhalation system (animals were fixed in tubes, only their snouts were in the area of exposure).
Analytical verification of test atmosphere concentrations:
yes
Duration of exposure:
4 h
Concentrations:
5,53 mg/L; maximal attainable concentration.
No. of animals per sex per dose:
10
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LC50
Effect level:
> 5.5 mg/L air
Exp. duration:
4 h
Mortality:
No mortalities.
Clinical signs:
other: Reddish secretion from eyes and nose, intermittent respiration, paddling movements, ruffled agglutinated fur.
Body weight:
Absolute body weights in males before inhalation/days after inhalation/14 days after inhalation: 187/213/259
Absolute body weights in females before inhalation/days after inhalation/14 days after inhalation: 181/197/217

Gross pathology:
No abnormalities.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 was > 5.5 mg/l with test substance homoveratrylamin.