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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term repeated dose toxicity: dermal
Type of information:
experimental study
Adequacy of study:
other information
Study period:
1950
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: insufficient documentation
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1950
Report date:
1950

Materials and methods

Principles of method if other than guideline:
dermal toxicity after repeated application
GLP compliance:
no
Remarks:
pre-GLP
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Butane-1,3-diol
EC Number:
203-529-7
EC Name:
Butane-1,3-diol
Cas Number:
107-88-0
Molecular formula:
C4H10O2
IUPAC Name:
butane-1,3-diol
Test material form:
liquid
Details on test material:
- Name of test material (as cited in study report): 1,3-butylene glycol

Test animals

Species:
guinea pig

Administration / exposure

Type of coverage:
not specified
Vehicle:
unchanged (no vehicle)
Details on exposure:
- substance was applied to the shaved, intact abdominal skin (14 day exposure) or to the shaved and scraped abdominal skin (4 day exposure)
Analytical verification of doses or concentrations:
no
Duration of treatment / exposure:
2 hrs per day for 4 or 14 days
Frequency of treatment:
daily
Doses / concentrations
Remarks:
Doses / Concentrations:
20 ml/kg bw
Basis:
nominal per unit body weight
No. of animals per sex per dose:
- no data
Control animals:
not specified

Results and discussion

Effect levels

Dose descriptor:
NOAEL
Effect level:
20 100 mg/kg bw/day (actual dose received)
Basis for effect level:
other: calculated assuming a density of 1.0053 g/ml (according to CTFA, 1985).

Target system / organ toxicity

Critical effects observed:
not specified

Any other information on results incl. tables

- no adverse effects were observed

- no histological changes have been observed in liver, kidney or bladder

- no protein or blood pigment was detected in the urine

Applicant's summary and conclusion

Executive summary:

Application of 20100 mg/kg bw/d of 1,3-butylene glycol for 2 hrs/day to the intact or scarped skin of guinea pig for 14 or 4 days respectively did not result in any adverse effect (Kopf et al., 1950).