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Phthalic Anhydride CAS#85-44-9

Phthalic Anhydride CAS#85-44-9 Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name：Phthalic Anhydride

CAS No.:85-44-9

Molecular Formula:C8H4O3

Molecular weight: 148.12

Sample: Available

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Products Description of Phthalic Anhydride CAS#85-44-9

Phthalic anhydride, referred to as phthalic anhydride, is an important chemical raw material. The main use of phthalic anhydride in my country is to produce phthalate plasticizers, followed by the production of alkyd resin and amino resin coatings;

Phthalic anhydride can be used in the production of unsaturated polyesters and in the dye industry for the synthesis of anthraquinones.

Phthalic Anhydride CAS#85-44-9

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
pka	2.97[at 20 ℃]
color	White
PH	2 (6g/l, H2O, 20℃)
Odor	Characteristic choking odor
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	14,7372
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.
LogP	2.07 at 20℃
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)

Safety Information

Hazard Codes	Xn
Risk Statements	22-37/38-41-42/43
Safety Statements	23-24/25-26-37/39-46-22
RIDADR	2214
WGK Germany	1
RTECS	TI3150000
F	10-21
Autoignition Temperature	580 °C
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	29173500
Hazardous Substances Data	85-44-9(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 1530 mg/kg LD50 dermal Rabbit > 3160 mg/kg
IDLA	60 mg/m3

Product Application of Phthalic Anhydride CAS#85-44-9

Phthalic anhydride, referred to as phthalic anhydride, is an intermediate of the fungicide fenfoside, the insecticide imidophos, and the herbicide bentazone.

Phthalic anhydride is one of the most important organic chemical raw materials. Its main derivatives include dibutyl phthalate, dioctyl ester and diisobutyl phthalate, etc., which are used as plasticizers for PVC, etc.; it can also be used to produce unsaturated Chemicalbook Polyester resin, alkyd resin, dyes and pigments, various paints, food additives, the laxative phenolphthalein in medicine, phosmet, bentazone and saccharin sodium in pesticides, etc.

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