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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well documented study report which meets basic scientific principles
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1974
Report date:
1974

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
ip toxicity study acc. internal BASF method
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
6-methylhept-5-en-2-one
EC Number:
203-816-7
EC Name:
6-methylhept-5-en-2-one
Cas Number:
110-93-0
Molecular formula:
C8H14O
IUPAC Name:
6-methylhept-5-en-2-one
Details on test material:
- Name of test material (as cited in study report): 6-Methyl-5-hepten-2-one
- Analytical purity: 98 %

Test animals

Species:
mouse
Strain:
NMRI
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: mean weight of 23.8 g (males) and 23.1 g (females)

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
CMC (carboxymethyl cellulose)
Details on exposure:
- administered as aqueous emulsions in CMC (supplemented with 2-3 drops Cremophor EL) at concentrations of 16, 8, 4 and 2% (v/v).
Doses:
170, 340, 680 and 1360 mg/kg bw (ca. 0.2, 0.4, 0.8 and 1.6 ml/kg bw)
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days
- Frequency of weighing: prior to begin of study
- Necropsy of survivors performed: yes
- Other examinations performed: signs of pharmacologic or toxicologic effects

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
ca. 510 mg/kg bw
Mortality:
1.6 ml/kg bw: 5/5 males and 4/5 females died within 24 hrs
0.8 ml/kg bw: 3/5 males and 4/5 females died within 24 hrs
0.4 ml/kg bw: 0/5 males and 3/5 females died within 7 days
0.2 ml/kg bw: 0/5 males and 0/5 females died within 7 days
Clinical signs:
Abdominal position, staggering, apathy, atonia, dyspnoea
Gross pathology:
nothing abnormal detected

Any other information on results incl. tables

From these data a LD50 value of 0.6 ml/kg bw (= 510 mg/kg bw) after 7  
days was estimated.

Applicant's summary and conclusion