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CELLULOSE TRIACETATE

CAS No.: 9012-09-3
Formula: C40H54O27
Molecular Weight: 966.84056
Suppliers: All(0) China Suppliers(0) Products(3)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
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What is CELLULOSE TRIACETATE

**Introduction to Triacetylcellulose** Triacetylcellulose (TAC) is a cellulose derivative obtained by acetylating cellulose with acetic anhydride, resulting in a highly transparent, durable, and chemically resistant material. It is widely used in the production of photographic films, LCD polarizer films, and protective coatings due to its excellent optical clarity, dimensional stability, and moisture resistance. TAC films are essential in display technologies, enhancing screen brightness and color accuracy. Additionally, its biocompatibility makes it suitable for pharmaceutical and food packaging applications. With superior mechanical strength and thermal stability, triacetylcellulose is a versatile polymer in industries requiring high-performance, sustainable materials derived from renewable cellulose sources.

Preparation Process: Triacetylcellulose is prepared by acetylating cellulose with acetic anhydride in the presence of a catalyst, typically sulfuric acid or pyridine. First, cellulose is activated by swelling in glacial acetic acid. The reaction mixture is then treated with acetic anhydride under controlled temperature (25–50°C) to ensure complete esterification. The resulting triacetylcellulose is precipitated by adding water or dilute acetic acid, followed by thorough washing to remove residual reagents. The product is then dried to obtain a white, fibrous powder. Adjusting reaction conditions (e.g., time, temperature, catalyst concentration) can optimize the degree of substitution (DS ≈ 3) and solubility properties.

Usage Scenarios: Triacetylcellulose (TAC) is primarily used in the production of photographic film, LCD polarizer films, and protective coatings due to its high transparency, durability, and resistance to moisture and heat. It serves as a base material for polarizing filters in liquid crystal displays (LCDs), enhancing screen clarity and color accuracy. In photography, TAC film provides a stable, flexible substrate for emulsion layers. It is also employed in specialty packaging, eyeglass lenses, and as a membrane material in filtration systems. Additionally, TAC is used in the manufacturing of cigarette filters and as a biodegradable alternative in certain plastic applications. Its chemical stability makes it suitable for high-performance optical and industrial uses.

CELLULOSE TRIACETATE Basic Info
Chemical Name CELLULOSE TRIACETATE
Synonyms CHEBI:53498;riacetylcellulose;TRIACETYLCELLULOSE;CELLULOSE TRIACETATE;Cellulose triacetate NF;CELLULOSE TRIACETATE USP/EP/BP;Cellulose triacetate,43.6% Acetyl;cellulose triacetate microcrystalline;CELLULOSE TRIACETATE TETRACHLOROETHANE SOLUBLE;size15-25umforthechromatographicseparationofenantiomers
CAS No. 9012-09-3
Molecular Formula C40H54O27
Molecular Weight 966.84056
PSA 335.45000
LogP -1.29420
Safely Info
RTECS -
Hazard Class -
Safety Statements 24/25
HS Code 39121100
WGK Germany -
Packing Group -
RIDADR -
Risk Statements -
Hazard Codes -
Caution Statement -
Hazard Declaration -
Symbol -
Signal Word -
CELLULOSE TRIACETATE Price
United States: $10-$20 per kg

China: $5-$15 per kg

Russia: $10-$20 per kg

Germany: $15-$25 per kg

India: $5-$15 per kg

Japan: $20-$30 per kg

Brazil: $10-$20 per kg

South Korea: $15-$25 per kg

Philippines: No results

United Kingdom: $20-$30 per kg

France: $15-$25 per kg

Mexico: $10-$20 per kg

Canada: $20-$30 per kg

South Africa: $10-$20 per kg

Egypt: $5-$15 per kg

Turkey: $15-$25 per kg

Thailand: $10-$20 per kg

Indonesia: $5-$15 per kg
MSDS
MSDS
Name: Cellulose Triacetate Material Safety Data Sheet
Synonym: None
CAS: 9012-09-3
Section 1 - Chemical Product   MSDS Name:Cellulose Triacetate Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
9012-09-3 Cellulose Triacetate 100 unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation. The toxicological properties of this material have not been fully investigated.
Skin:
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 9012-09-3: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Pellets
Color: off-white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature:
Solubility in water: tetrachloroethane
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 9012-09-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Cellulose Triacetate - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 9012-09-3: No information available.
Canada
CAS# 9012-09-3 is listed on Canada's DSL List.
CAS# 9012-09-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 9012-09-3 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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