- About
-
-
- About
-
ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
-
-
- Subscriptions
-
-
- Subscriptions
-
ACGIH advances the careers of professionals working in the occupational and environmental health, industrial hygiene, and safety communities interested in defining their science.
-
-
- Science
-
-
- Science
-
This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
-
-
- Career Development
-
-
- Career Development
-
ACGIH is committed to providing its members and other occupational and environmental health professionals with the training and education they need to excel in their profession.
-
-
- Publications
-
-
- Publications
-
ACGIH has publications in many different areas that fit your needs in your field.
-
- Publications Store
- ACGIH Signature Publications
- Digital Publications
ACGIH Digital Library
If you need to purchase the Digital Library, click here.
If you have purchased and need to access the Digital Library, click here.
-
-
- Foundation
-
-
- Foundation
-
The Foundation for Occupational Health & Safety (FOHS) is a 501(c)(3) corporation fostering the expanded establishment of occupational exposure values throughout the world.
-
-
PHTHALIC ANHYDRIDE
PHTHALIC ANHYDRIDE
CAS Number: 85-44-9
Synonyms: 1,3 Isobenzofurandione; Phthalic acid anhydride (PAN)
Molecular Formula: C8H4O3
Chemical Structure1:
TLV®-TWA, 0.002 mg/m3 (0.0003 ppm), Inhalable fraction and vapor
TLV-STEL, 0.005 mg/m3 (0.0009 ppm), Inhalable fraction and vapor
TLV-SL, 0.05 mg/100 cm2
Skin
DSEN
RSEN
A4-Not Classifiable as a Human Carcinogen
To view TLV and Documentation, you must be logged in as an ACGIH member or have previously purchased the documentation.