Phthalic anhydride Basic information
Product Name:	Phthalic anhydride
CAS:	85-44-9
MF:	C8H4O3
MW:	148.12
EINECS:	201-607-5
Mol File:	85-44-9.mol
Phthalic anhydride Chemical Properties
Melting point	131-134 °C(lit.)
Boiling point	284 °C(lit.)
density	1,53 g/cm3
vapor density	5.1 (vs air)
vapor pressure	<0.01 mm Hg ( 20 °C)
refractive index	1.4500 (estimate)
Fp	152 °C
storage temp.	Store below +30°C.
solubility	6g/l (slow decomposition)
form	Flaky Crystals
color	White
Odor	Characteristic choking odor
PH	2 (6g/l, H2O, 20ºC)
PH Range	2 at 6 g/l at 20 °C
explosive limit	1.7-10.5%(V)
Water Solubility	6 g/L (20 ºC)
Sensitive	Moisture Sensitive
Merck	147,372
BRN	118515
Henry's Law Constant	6.29 at 20 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	NIOSH REL: TWA 6 mg/m3 (1 ppm), IDLH 60 mg/m3; OSHA PEL: TWA 12 mg/m3 (2 ppm); ACGIH TLV: TWA 1 ppm (adopted).
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Dust may form an explosive mixture with air.
CAS DataBase Reference	85-44-9(CAS DataBase Reference)
NIST Chemistry Reference	Phthalic anhydride(85-44-9)
EPA Substance Registry System	Phthalic anhydride (85-44-9)

Item	Specifications	Results
Appearance	White flake or crystalline powder	White flake or crystalline powder
Content%	99.9 min	99.96
Melt chromaticity No.	20 max	10
Thermal stability chroma No.	50 max	30
Free mass fraction%	0.2 max	0.018
Benzoic acid	0.05 max	0.01

Lowest Price of Phthalic Anhydride with Powder Plasticizer CAS No 85-44-9

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