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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14th to 28th april 1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Justification for type of information:
Oral acute toxicity according to OECD 401

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
yes
Test type:
standard acute method

Test material

Constituent 1
Chemical structure
Reference substance name:
(±)-7-[(3-chloro-6,11-dihydro-6-methyldibenzo[c,f][1,2]thiazepin-11-yl)amino]heptanoic acid S,S-dioxide
EC Number:
276-851-9
EC Name:
(±)-7-[(3-chloro-6,11-dihydro-6-methyldibenzo[c,f][1,2]thiazepin-11-yl)amino]heptanoic acid S,S-dioxide
Cas Number:
72797-41-2
Molecular formula:
C21H25ClN2O4S
IUPAC Name:
(±)-7-[(3-chloro-6,11-dihydro-6-methyldibenzo[c,f][1,2]thiazepin-11-yl)amino]heptanoic acid S,S-dioxide
Test material form:
solid: crystalline
Details on test material:
White powder
Specific details on test material used for the study:
1574 acide crist batch 2/88 R SI

Test animals

Species:
rat
Strain:
other: ICO (OFA-SD - IOPS caw)
Sex:
male/female
Details on test animals or test system and environmental conditions:
During acclimatation period :
Temp = 22°C +/- 3°C
Hygrometry : 50 +/- 20%
12 hours day light / 12 hours dark
Non recycled filtered air

5 animals of the same sex per box

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
methylcellulose
Details on oral exposure:
Substance administrated by suspension to animals
One administration by means of oesophagic pipe
Doses:
DOse : 2000mg/kg in a volume of 10ml/kg.
No. of animals per sex per dose:
5
Control animals:
yes
Details on study design:
Observation once per day until the 14th day to notice clinical signs

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
1 male after 1 hour - 1 female after 4 hours and on male and one female after 24 hours
Clinical signs:
Hypokinesy after 15min the sedation
lateral decubitus after 30 minutes and piloerection after 46 hours.
After 24h less symptoms and normal behaviour of all survivors at day 6
Body weight:
Weight evolution slow between days 1 and 5 then, normal growth from day 8 to day 15

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Under experimental conditions LD50 (oral route- Rat) of the substance 1574 acide is > 2000mg/kg. At this dose mortality is 40%
Executive summary:

Under experimental conditions LD50 (oral route- Rat) of the substance 1574 acide is > 2000mg/kg. At this dose mortality is 40%