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Substance Name: Phthalic anhydride
RN: 85-44-9
UNII: UVL263I5BJ
InChIKey: LGRFSURHDFAFJT-UHFFFAOYSA-N
Molecular Formula
- C8-H4-O3
Molecular Weight
- 148.1166
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Mutation Data
- Reproductive Effect
- Skin / Eye Irritant
- Tumor Data
Superlist Classification Codes
- Reportable Quantity (RQ) = 5000 lb
- TWA (1 ppm); Sensitizer; Not classifiable as a human carcinogen
- TWA 2 ppm (12 mg/m3)
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Names and Synonyms
Name of Substance
- Phthalic anhydride
Synonyms
- 1,2-Benzenedicarboxylic acid anhydride
- 1,2-Benzenedicarboxylic anhydride
- 1,3-Dioxophthalan
- 1,3-Isobenzofurandione
- 1,3-Phthalandione
- AI3-04869
- Anhydrid kyseliny ftalove
- Anhydrid kyseliny ftalove [Czech]
- Anhydride phtalique
- Anhydride phtalique [French]
- Anidride ftalica
- Anidride ftalica [Italian]
- CCRIS 519
- EC 201-607-5
- EINECS 201-607-5
- ESEN
- Ftaalzuuranhydride
- Ftaalzuuranhydride [Dutch]
- Ftalanhydrid
- Ftalanhydrid [Czech]
- Ftalowy bezwodnik
- Ftalowy bezwodnik [Polish]
- HSDB 4012
- Isobenzofuran, 1,3-dihydro-1,3-dioxo-
- NCI-C03601
- NSC 10431
- o-Phthalic acid anhydride
- Pan
- Phthalandione
- Phthalic acid anhydride
- Phthalic anhydride
- Phthalsaeureanhydrid
- Phthalsaeureanhydrid [German]
- RCRA waste number U190
- Retarder AK
- Retarder esen
- Retarder PD
- TGL 6525
- UNII-UVL263I5BJ
- Vulkalent B
- Vulkalent B/C
- Wiltrol P
Systematic Names
- 1,3-Isobenzofurandione
- Phthalic anhydride
Superlist Names
- 1,3-Isobenzofurandione
- Phthalic anhydride
- Phthalic anhydride (molten)
- Phthalic anhydride with >0.05% maleic anhydride
- Phthalic anhydride with >0.05% maleic anhydride [UN2214] [Corrosive]
- RCRA waste no. U190
- UN2214
Registry Numbers
CAS Registry Number
- 85-44-9
FDA UNII
- UVL263I5BJ
Other Registry Number
- 39363-63-8
System Generated Number
- 0000085449
Structure Descriptors
InChI
InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4HInChIKey
LGRFSURHDFAFJT-UHFFFAOYSA-NSmiles
O=C1OC(=O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LD50 | oral | 800mg/kg (800mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 322, 1986. | |
| guinea pig | LD50 | intraperitoneal | 100mg/kg (100mg/kg) | "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH, Chemical Rubber Co., 1968Vol. -, Pg. 410, 1968. | |
| mouse | LD50 | oral | 1500mg/kg (1500mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 100, 1982. | |
| rabbit | LD50 | skin | > 10gm/kg (10000mg/kg) | BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 13-4/1970, | |
| rat | LC50 | inhalation | > 210mg/m3/1H (210mg/m3) | BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 13-4/1970, | |
| rat | LD50 | oral | 1530mg/kg (1530mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 15(Suppl, |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 130.8 | deg C | EXP | |
| Boiling Point | 295 | deg C | EXP | |
| log P (octanol-water) | 1.6 | (none) | EXP | |
| Water Solubility | 6200 | mg/L | 25 | EXP |
| Henry's Law Constant | 1.63E-08 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 7.49E-13 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.