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1,3-Butadiene

CAS No.: 106-99-0
Formula: C4H6
Molecular Weight: 54.09
Suppliers: All(0) China Suppliers(2) Products(2)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
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What is 1,3-Butadiene

**Introduction to Buta-1,3-diene** Buta-1,3-diene (C₄H₆), commonly known as 1,3-butadiene, is a colorless, highly flammable gas with a mild gasoline-like odor. It is a conjugated diene, featuring two double bonds separated by a single bond, which gives it unique reactivity in chemical synthesis. As a key monomer in the polymer industry, buta-1,3-diene is primarily used to produce synthetic rubbers like styrene-butadiene rubber (SBR) and polybutadiene, essential for tires, plastics, and adhesives. It is also a precursor in the manufacture of nylon and latex products. Due to its volatility and carcinogenic potential, handling requires strict safety measures. Industrially, it is derived from petroleum refining or steam cracking of hydrocarbons.

Preparation Process: Buta-1,3-diene (C₄H₆) is commonly prepared via the catalytic dehydrogenation of n-butane or n-butenes. In a typical process, n-butane is passed over a chromium(III) oxide-alumina (Cr₂O₃/Al₂O₃) catalyst at 500–600°C, yielding buta-1,3-diene and hydrogen. Alternatively, n-butenes (e.g., but-1-ene or but-2-ene) undergo catalytic dehydrogenation at similar temperatures. Another method involves the oxidative dehydrogenation of n-butenes using oxygen, reducing energy requirements. Steam cracking of petroleum fractions (e.g., naphtha) also produces buta-1,3-diene as a byproduct. The crude product is purified via fractional distillation or extraction. Safety measures are critical due to the compound's flammability and reactivity.

Usage Scenarios: Buta-1,3-diene, a conjugated diene, is primarily used in the production of synthetic rubber, such as styrene-butadiene rubber (SBR) and polybutadiene rubber (PBR), which are essential for tires, footwear, and industrial products. It serves as a monomer in polymerization processes to create elastomers with high resilience and durability. Additionally, buta-1,3-diene is a key intermediate in manufacturing acrylonitrile-butadiene-styrene (ABS) plastics, used in automotive parts, electronics, and toys. It also plays a role in producing adhesives, coatings, and latex products. In chemical synthesis, it participates in Diels-Alder reactions to form cyclic compounds. Its versatility makes it vital in industrial and consumer applications.

1,3-Butadiene Basic Info
Chemical Name 1,3-Butadiene
Synonyms BUTADIENE;Butadien;1,3-Butadien;Butadieen;PYRROLYLENE;1,3-butadine;DIVINYL;BUDIENE;BIVINYL;ERYTHRENE
CAS No. 106-99-0
Molecular Formula C4H6
Molecular Weight 54.09
PSA 0.00000
LogP 1.35840
Safely Info
RTECS EI9275000
Hazard Class 2.1
Safety Statements 53-45-62-46-36/37-26-61-33-16
HS Code 29012410
WGK Germany 2
Packing Group II
RIDADR UN 1010 2.1
Risk Statements 45-46-12-67-65-63-48/20-36/38-11-62-51/53-38
Hazard Codes F+,T,F,N
Caution Statement P202-P210-P280-P308+P313-P377-P410+P403
Hazard Declaration H220-H280-H340
Symbol GHS02,GHS04,GHS08
Signal Word Danger
1,3-Butadiene Price
United States: $100-150
China: $80-120
Russia: $90-130
Germany: $110-160
India: No results
Japan: $120-170
Brazil: $90-140
South Korea: $100-150
Philippines: No results
United Kingdom: $100-150
France: $110-160
Mexico: $80-120
Canada: $100-150
South Africa: $90-140
Egypt: $70-110
Turkey: $90-130
Thailand: $80-120
Indonesia: $70-110
MSDS
MSDS
Name: 1 3-Butadiene 98% Material Safety Data Sheet
Synonym:
CAS: 106-99-0
Section 1 - Chemical Product   MSDS Name:1 3-Butadiene 98% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
106-99-0 1,3-Butadiene 98% 203-450-8
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

Section 4 - FIRST AID MEASURES
  Eyes: Not available.
Skin:
Not available.
Ingestion:
Not available.
Inhalation:
Not available.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
Not available.
Extinguishing Media:
Not available.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Not available.

Section 7 - HANDLING and STORAGE
  Handling:
Not available.
Storage:
Not available.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Exposure Limits CAS# 106-99-0: United Kingdom, WEL - TWA: 10 ppm TWA; 22 mg/m3 TWA United Kingdom, WEL - STEL: 30 ppm STEL; 66 mg/m3 STEL United States OSHA: 1 ppm TWA; 1 ppm TWA (8 hr); 5 ppm STEL (15 m 0.5 ppm Action Level (See 29 CFR 1910.105 1) Belgium - TWA: 2 ppm VLE; 4.5 mg/m3 VLE Germany: 15 ppm TWA (processing after polymerization, loading); 3 mg/m3 TWA (processing Malaysia: 2 ppm TWA; 4.4 mg/m3 TWA Netherlands: 21 ppm MAC; 46.2 mg/m3 MAC Russia: 100 mg/m3 TWA Spain: 2 ppm VLA-ED; 4.5 mg/m3 VLA-ED Personal Protective Equipment Eyes: Not available.
Skin:
Not available.
Clothing:
Not available.
Respirators:
Not available.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Not available.
Color: Not available.
Odor: Not available.
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: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Not available.
Hazardous Polymerization: Not available.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 106-99-0: EI9275000 LD50/LC50:
CAS# 106-99-0: Inhalation, mouse: LC50 = 270000 mg/m3/2H; Inhalation, rat: LC50 = 285 gm/m3/4H; Inhalation, rat: LC50 = 285000 mg/m3/4H; Oral, mouse: LD50 = 3210 mg/kg; Oral, rat: LD50 = 5480 mg/kg.
Carcinogenicity:
1,3-Butadiene - ACGIH: A2 - Suspected Human Carcinogen California: carcinogen, initial date 4/1/88 NTP: Known carcinogen IARC: Group 2A carcinogen Other:
See actual entry in RTECS for complete information.

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.
USA RQ: CAS# 106-99-0: 10 lb final RQ; 4.54 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 106-99-0: 2
Canada
CAS# 106-99-0 is listed on Canada's DSL List.
CAS# 106-99-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 106-99-0 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
1,3-Butadiene Suppliers
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