Current location: Home > Products > Acid Anhydride
Phthalic Anhydride PA CAS No 85-44-9
Mat No.1000401
Phthalic Anhydride
CAS No.85-44-9
Product Details
Purity ≥ 99.5%
Melting chroma (platinum cobalt) No. ≤ 25
Crystallization point ≥25.4 ℃
Ash content ≤ 0.005%
Iron content ≤ 5ppm
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) |
Flash point | 152 °C |
Storage conditions | Store below +30°C. |
form | Flaky Crystals |
colour | White |
Odor | Characteristic choking odor |
PH value | 2 (6g/l, H2O, 20℃) |
Discoloration of acid-base indicator pH range | 2 at 6 g/l at 20 °C |
Explosive limit | 1.7-10.5%(V) |
Water solubility | 6 g/L (20 ºC) |
Sensitivity | Moisture Sensitive |
Exposure limit | NIOSH REL: TWA 6 mg/m 3 (1 ppm), IDLH 60 mg/m 3 ; OSHA PEL: TWA 12 mg/m 3 (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. |
1) Intermediate for producing plasticizers, alkyd resins, unsaturated polyester resins, dyes and pigments, medicines and pesticides, etc.
2) Intermediate for fungicide Milidan, the insecticide imithiophos and the herbicide mediaxone.
3) Analytical reagent.
25kg/500 kg
Contact Us
Address:
Email:
Phone: