Methyltetrahydrophthalic anhydride
Names
[ CAS No. ]:
26590-20-5
[ Name ]:
Methyltetrahydrophthalic anhydride
[Synonym ]:
MTHPA-EG
MTHPA
Lindride
ac220
AC-METHYL
4-MTHPA
ac220j
MFCD00014585
MTHPA-600
Methyltetrahydrophthalic anhydride
EINECS 234-290-7
Chemical & Physical Properties
[ Density]:
1.25~1.35g/cm3
[ Boiling Point ]:
308.9ºC at 760mmHg
[ Melting Point ]:
90°C
[ Molecular Formula ]:
C9H10O3
[ Molecular Weight ]:
166.17400
[ Flash Point ]:
146.8ºC
[ Exact Mass ]:
166.06300
[ PSA ]:
43.37000
[ LogP ]:
1.04230
[ Index of Refraction ]:
1.545
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TI3325000
- CHEMICAL NAME :
- Phthalic anhydride, methyltetrahydro-
- CAS REGISTRY NUMBER :
- 26590-20-5
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C9-H10-O3
- MOLECULAR WEIGHT :
- 166.19
- WISWESSER LINE NOTATION :
- T56 BVOV GUTJ X1
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 :
- 2140 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1410 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2943 No. of Facilities: 15 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 124 (estimated)
Safety Information
[ Risk Phrases ]:
R36/37/38:Irritating to eyes, respiratory system and skin .
[ Safety Phrases ]:
S26-S36/37/39
[ RTECS ]:
TI4290000