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95-63-6

95-63-6 structure
95-63-6 structure

Name 1,2,4-trimethylbenzene
Synonyms EINECS 202-436-9
1,2,4-Trimethylbenzene
1,2,4-trimethyl benzene
MFCD00008527
Pseudoaspidinol-iB
pseudo-cymene
Pseudocumol
pseudocumene
Density 0.88
Boiling Point 168 °C(lit.)
Melting Point -44 °C
Molecular Formula C9H12
Molecular Weight 120.19200
Flash Point 120 °F
Exact Mass 120.09400
LogP 2.61180
Vapour density 4.1 (vs air)
Vapour Pressure 4.5 mm Hg ( 37.7 °C)
Index of Refraction n20/D 1.504(lit.)
Stability Stable. Incompatible with strong oxidizing agents. Flammable. May form explosive mixtures with air.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DC3325000
CHEMICAL NAME :
Benzene, 1,2,4-trimethyl-
CAS REGISTRY NUMBER :
95-63-6
LAST UPDATED :
199710
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C9-H12
MOLECULAR WEIGHT :
120.21
WISWESSER LINE NOTATION :
1R B1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,34,1986
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18 gm/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(5),15,1979
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1752 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,1258,1989
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1788 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 9,227,1954 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10 gm/kg/4W-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
TIHEEC Toxicology and Industrial Health. (Princeton Scientific Pub. Co., POB 2155, Princeton, NJ 08540) V.1- 1985- Volume(issue)/page/year: 1(3),67,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6400 mg/kg/8W-I
TOXIC EFFECTS :
Peripheral Nerve and Sensation - recording from afferent nerve Peripheral Nerve and Sensation - recording from peripheral motor nerve Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 13,123,1993
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
20 mg/m3/24H/17W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(5),15,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - B0044 No. of Facilities: 33 (estimated) No. of Industries: 2 No. of Occupations: 13 No. of Employees: 3186 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - B0044 No. of Facilities: 3684 (estimated) No. of Industries: 47 No. of Occupations: 42 No. of Employees: 65953 (estimated) No. of Female Employees: 9768 (estimated)
Symbol GHS02 GHS07 GHS08 GHS09
GHS02, GHS07, GHS08, GHS09
Signal Word Danger
Hazard Statements H226-H304-H315-H319-H332-H335-H411
Precautionary Statements P261-P273-P301 + P310-P305 + P351 + P338-P331
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful;N:Dangerousfortheenvironment;
Risk Phrases R10;R20;R36/37/38;R51/53
Safety Phrases S26-S61-S45-S36/37-S16-S7
RIDADR UN 3295 3/PG 3
WGK Germany 2
RTECS DC3325000
Packaging Group III
Hazard Class 3