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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: limited but acceptable documented study report which meets basic scientific principles

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1973
Report date:
1973

Materials and methods

Principles of method if other than guideline:
other: acute oral toxicity study
GLP compliance:
no
Test type:
other: acute oral toxicity study
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(1,4-dimethylpentyl)-N'-phenylbenzene-1,4-diamine
EC Number:
221-374-3
EC Name:
N-(1,4-dimethylpentyl)-N'-phenylbenzene-1,4-diamine
Cas Number:
3081-01-4
Molecular formula:
C19H26N2
IUPAC Name:
N1-(5-methylhexan-2-yl)-N4-phenylbenzene-1,4-diamine
Details on test material:
Santoflex 14

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
1260, 1580, 2000, 2510, 3160 mg/kg
No. of animals per sex per dose:
combined (male/females): 5 per dose
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
2 100 mg/kg bw
95% CL:
2 000 - 2 200
Remarks on result:
other: clinical signs: reduced appetide and activivty (survivors), increasing weakness, collapse and death (decedents),; gross autopsy: vicera appeared normal (survivors), hemorrhagic areas of the lung, liver discoloration, acute gastrointestinal inflammation

Any other information on results incl. tables

Mortality:

time to mortality: one to four days after application

1260 mg/kg bw: 0/3 males, 1/2 females, combined: 1/5

1589 mg/kg bw: 0/2 males, 2/3 females, combined: 2/5

2000 mg/kg bw: 0/3 males, 2/2 females, combined 2/5

2510 mg/kg bw: 0/2 males, 3/3 females, combinded 3/5

3160 mg/kg bw: 2/3 males, 2/2 females, combinded 4/5

Signs of intoxication: reduced appetite and activity (two to four days in survivors), increasing weakness, collapse and death.

Gross autopsy decedents: hemorrhagic areas of the lung, liver discoloration, and acute gastrointestinal inflammation

Survivors (7 days): vicera appeared normal

Applicant's summary and conclusion

Executive summary:

LD50 rat: 2100 mg/kg bw