| Agent Name |
m-Phthalodinitrile |
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| CAS Number |
626-17-5 |
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| Formula |
C8-H4-N2 |
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| Major Category |
Toxic Gases & Vapors |
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| Synonyms |
1,3-Benzendikarbonitril [Czech]; 1,3-Benzenedicarbonitrile; 1,3-Benzodinitrile; 1,3-Dicyanobenzene; 3-Cyanobenzonitrile; Dinitrile of isophthalic acid; IPN; Isoftalodinitril [Czech]; Isoftalonitril [Czech]; Isophthalodinitrile; Nitril kyseliny isoftalove [Czech]; m-Benzenedinitrile; m-Dicyanobenzene; m-Phthalodinitrile; [ChemIDplus] |
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| Category |
Nitriles |
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| Description |
Needle-like, colorless to white, crystalline, flaky solid with an almond-like odor; [NIOSH] |
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| Sources/Uses |
Used in the production of polyurethane coatings and tetrachloroisophthalonitrile; [ACGIH] |
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| Comments |
An oral dose of 250 mg/kg causes convulsions and death in rabbits. Unlike the aliphatic nitriles, aromatic nitriles such as m-phthalodinitrile do not liberate cyanide in the body. No reports of adverse effects were found in a review of 15 years of industrial experience with this chemical. [ACGIH] An eye irritant; [ICSC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
5 mg/m3 |
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| Vapor Pressure |
0.00569 mm Hg |
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| Lethal Concentration |
LC50 (rats) > 8,970 mg/m3/1h |
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| Explanatory Notes |
ERG Giuide for "Nitriles, toxic, solid, n.o.s." |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 1,3-DICYANOBENZENE
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