二甲基-2,2-(1,3-二硫-2,4-二烯)-二(氰基乙酸乙酯） | 52046-75-0

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: 二甲基-2,2-(1,3-二硫-2,4-二烯)-二(氰基乙酸乙酯）
• 中文别名: 二甲基-2,2-(1,3-二硫-2,4-二烯)-二(氰基乙酸乙酯0
• 英文名称: Methyl 2-cyano-2-[4-(1-cyano-2-methoxy-2-oxoethylidene)-1,3-dithietan-2-ylidene]acetate
• CAS: 52046-75-0
• 化学式: C₁₀H₆N₂O₄S₂
• 分子量: 282.3
• InChiKey: ZTAHANLIYMMGHK-UHFFFAOYSA-N

物化性质

• 熔点：
  229-235 °C
• 密度：
  1.6137 (rough estimate)
• 稳定性/保质期：
  遵照规定使用和储存，则不会发生分解。

计算性质

• 辛醇/水分配系数(LogP)：
  1.3
• 重原子数：
  18
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  151
• 氢给体数：
  0
• 氢受体数：
  8

安全信息

• 安全说明：
  S24/25

SDS

Name:	Dimethyl-2 2-(1 3-Dithietan-2 4-Diyliden)-Bis-(2-Cyanoacetate) Material Safety Data Sheet
Synonym:	None known
CAS:	52046-75-0

Section 1 - Chemical Product MSDS Name:Dimethyl-2 2-(1 3-Dithietan-2 4-Diyliden)-Bis-(2-Cyanoacetate) Material Safety Data Sheet
Synonym:None known

---

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
52046-75-0	Dimethyl-2,2-(1,3-Dithietan-2,4-Diylid	99+%	unlisted

Hazard Symbols: None Listed.
Risk Phrases: None Listed.

---

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
Non-irritating to the eyes.
Skin:
Non-irritating to the skin.
Ingestion:
Low hazard for usual industrial handling.
Inhalation:
Low hazard for usual industrial handling.
Chronic:
None

---

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Ingestion:
Wash mouth out with water. Get medical aid if irritation or symptoms occur.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical aid if cough or other symptoms appear.
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 foam, dry chemical, or carbon dioxide.

---

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. Avoid generating dusty conditions. Provide ventilation.

---

Section 7 - HANDLING and STORAGE
Handling:
Wash hands before eating. Minimize dust generation and accumulation.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use with adequate ventilation.
Storage:
Store in a cool, dry place. Store in a tightly closed container. No special precautions indicated.

---

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 52046-75-0: 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 minimize contact with skin.
Respirators:
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

---

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Crystalline powder
Color: white to light yellow
Odor: none reported
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 229 - 235 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H6N2O4S2
Molecular Weight: 282.27

---

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation.
Incompatibilities with Other Materials:
None reported.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

---

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 52046-75-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Dimethyl-2,2-(1,3-Dithietan-2,4-Diyliden)-Bis-(2-Cyanoacetate) - 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.
WGK (Water Danger/Protection)
CAS# 52046-75-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 52046-75-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 52046-75-0 is not listed on the TSCA inventory.
It is for research and development use only.

---

SECTION 16 - ADDITIONAL INFORMATION
N/A