α-Cellulose , ≤25μm , 9004-34-6

Synonym(s):
Cellulose;Cellulose microcrystalline;Cellulose powder;Cellulosum microcristallinum;Cotton linters

CAS NO.：9004-34-6

Empirical Formula: (C12H20O10)n

Molecular Weight: 324.28

MDL number: MFCD00081512

EINECS: 232-674-9

PRODUCT Properties

• Melting point: 76-78 °C(Solv: acetone (67-64-1); chloroform (67-66-3))
• bulk density: 70-400kg/m3
• Density: 1.5 g/cm3 (20℃)
• refractive index: n20/D 1.504
• Flash point: 164 °C
• storage temp.: room temp
• solubility: Practically insoluble in water, in acetone, in anhydrous ethanol, in toluene, in dilute acids and in a 50 g/L solution of sodium hydroxide
• form: powder
• color: White or almost white
• PH: 5-7.5 (100g/l, H2O, 20℃)(slurry)
• Odor: Odorless
• biological source: spruce
• optical activity: -120 (Cuprammonium hydroxide solution)
• Water Solubility: insoluble
• Merck: 14,1965
• Dielectric constant: 3.2（Ambient）
• Exposure limits: ACGIH: TWA 10 mg/m3; OSHA: TWA 15 mg/m3; TWA 5 mg/m3; NIOSH: TWA 10 mg/m3; TWA 5 mg/m3; TWA 1 mg/m3
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• InChIKey: UFHFLCQGNIYNRP-UHFFFAOYSA-N
• EPA Substance Registry System: Cellulose (9004-34-6)

Description and Uses

Cellulose is a carbohydrate polymer made up of glucose units. It consists of fibrous particles and is used as a fiber source and bulking agent in low-calorie formulations.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H335
• Precautionary statements: P261-P304+P340-P312a-P403+P233-P405-P501a
• Hazard Codes: Xi
• Risk Statements: 37
• Safety Statements: 24/25
• OEB: B
• OEL: TWA: 10 mg/m3 (total)
• WGK Germany: 3
• RTECS: FJ5950200
• F: 3
• Autoignition Temperature: 232 °C
• TSCA: Yes
• HS Code: 39129090
• Toxicity: LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg