trimellitic anhydride
Names
[ CAS No. ]:
552-30-7
[ Name ]:
trimellitic anhydride
[Synonym ]:
EINECS 209-008-0
Anhydrosepedonin
1,3-dioxo-1,3-dihydro-isobenzofuran-5-carboxylic acid
MFCD00005925
Anhydrotrimellitic acid
4-carboxyphthalic anhydride
1,2,4-Benzenetricarboxylic anhydride
1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
Chemical & Physical Properties
[ Density]:
1.7±0.1 g/cm3
[ Boiling Point ]:
470.6±28.0 °C at 760 mmHg
[ Melting Point ]:
163-166 °C(lit.)
[ Molecular Formula ]:
C9H4O5
[ Molecular Weight ]:
192.125
[ Flash Point ]:
201.3±17.5 °C
[ Exact Mass ]:
192.005875
[ PSA ]:
80.67000
[ LogP ]:
1.28
[ Vapour density ]:
6.6 (vs air)
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.662
[ Stability ]:
Stable. Moisture sensitive.
[ Water Solubility ]:
DECOMPOSES
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DC2050000
- CHEMICAL NAME :
- 1,2,4-Benzenetricarboxylic acid 1,2-anhydride
- CAS REGISTRY NUMBER :
- 552-30-7
- BEILSTEIN REFERENCE NO. :
- 0009394
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 25
- MOLECULAR FORMULA :
- C9-H4-O5
- MOLECULAR WEIGHT :
- 192.13
- WISWESSER LINE NOTATION :
- T56 BVOVJ GVQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LC - Lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >7400 mg/m3/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1642,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1900 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(7),57,1974
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 5600 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1642,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 258 ug/m3/6H/10D-I
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 87,67,1987 *** REVIEWS *** ACGIH TLV-CL 0.04 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW BPCT** Progress Report from the Environmental Protection Agency to NIOSH on Benzenepolycarboxylates, 1974 Volume(issue)/page/year: -,183,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.005 ppm (0.059 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3 JAN 1993 OEL-FRANCE:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.004 ppm (0.04 mg/m3) JAN 1993 OEL-RUSSIA:STEL 0.1 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.005 ppm (0.04 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.005 ppm (0.04 mg/m3);STEL 0.01 ppm JAN 1993 OEL-UNITED KINGDOM:TWA 0.04 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TRIMELLITIC ANHYDRIDE-air:10H TWA 0.005 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83588 No. of Facilities: 196 (estimated) No. of Industries: 8 No. of Occupations: 31 No. of Employees: 11308 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83588 No. of Facilities: 358 (estimated) No. of Industries: 9 No. of Occupations: 13 No. of Employees: 17745 (estimated) No. of Female Employees: 5236 (estimated)
Safety Information
[ Symbol ]:
GHS05, GHS07, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H317-H318-H334-H335
[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338-P342 + P311
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R37;R41;R42/43
[ Safety Phrases ]:
S22-S26-S36/37/39
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
1
[ RTECS ]:
DC2050000
[ HS Code ]:
29173980
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932999099
[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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