Product Name: Nadic Anhydride

CAS No.: 826-62-0
Molecular Formula: C9H8O3
Molar Mass: 164.16

Physical Properties:
- Density: 1.08
- Melting Point: 165-167°C (lit.)
- Boiling Point: 251.61°C (rough estimate)
- Flash Point: 163.801°C
- Water Solubility: Decomposes
- Solubility: Chloroform (Slightly), Methanol (Slightly)
- Vapor Pressure: 0mmHg at 25°C
- Appearance: White lens/White columnar crystals
- Color: White
- Refractive Index: 1.4365
- Relative Density: 1.417

Storage Condition: Inert atmosphere, Room Temperature
Sensitivity: Moisture Sensitive

Chemical Properties:
White columnar crystals. Melting point 164-165°C. Relative density 1.417. Soluble in benzene, toluene, acetone, carbon tetrachloride, chloroform, ethanol, ethyl acetate, slightly soluble in petroleum ether. It is deliquescent and sublimated by heat. Reaction with water can produce the corresponding acid (<0.01g/100g). Decomposes in case of alkali.

Use:
Mainly used as curing agent for epoxy resin, suitable for casting, lamination, powder molding, etc.

Hazard Information:
- Hazard Symbols: Xn – Harmful
- Risk Codes: R41 – Risk of serious damage to eyes; R42/43 – May cause sensitization by inhalation and skin contact
- Safety Description: S22 – Do not breathe dust; S24 – Avoid contact with skin; S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; S37/39 – Wear suitable gloves and eye/face protection

Regulatory Information:
- WGK Germany: 3
- RTECS: DT5600000
- FLUKA BRAND F CODES: 21
- HS Code: 29172090
- MDL: MFCD00151106
- BRN: 83657
- Merck: 14, 1796

Applications:
- Epoxy resin curing agent
- Casting applications
- Lamination processes
- Powder molding

Category: Epoxy Resin Curing Agents / Chemical Intermediates