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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
additional toxicological information
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reliable well documented study

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Transplacental genetic and cytogenetic effects of alkylating agents in the mouse I: Induction of somatic coat color mutations
Author:
Braun R et al.
Year:
1984
Bibliographic source:
Terat Carcinog Mutagen 4:449-457
Reference Type:
secondary source
Title:
EU Risk Assessment Report Dimethyl Sulphate
Author:
European Chemicals Bureu
Year:
2002
Bibliographic source:
EU RAR, Volume 12, Luxembourg 2002

Materials and methods

Type of study / information:
Mouse spot test
Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: OECD 484
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl sulphate
EC Number:
201-058-1
EC Name:
Dimethyl sulphate
Cas Number:
77-78-1
Molecular formula:
C2H6O4S
IUPAC Name:
dimethyl sulfate

Results and discussion

Any other information on results incl. tables

DMS did not induce RS frequency in both crosses.

Table 1: Frequency of RS, WMVS and MDS in offsring derived from the cross NMRI x DBA

Compound

Dose (mg/kg)

Treatment day

No. of females treated

No. of litters

No. of offspringa

Average litter sizea

Offspring with

P

RS (%)

WMVS (%)

MDS (%)

DMS

50

10.25

60

42

387 (201)

9.2 (4.7)

0 (0)

0 (0)

0 (0)

> 0.05

a: These columns refer to the total number of offspring while the number of non-agouti offspring is given in brackets.

Table 2: Frequency of RS, WMVS and MDS in offspring derived from the cross C57 x T-stock at day 10.25 of embryonal development

Compound

Dose (mg/kg)

No. of females treated

No. of litters

No. of offspring

Average litter size

Offspring with

P

RS (%)

WMVS (%)

MDS (%)

DMS

25

87

28

181

6.5

2 (1.10)

2 (1.10)

0 (0)

> 0.05

DMS did not induce mutations up to the highest concentration.

Applicant's summary and conclusion