Methyl Cyanoacetate CAS 105-34-0
Methyl Cyanoacetate CAS 105-34-0Methyl Cyanoacetate CAS 105-34-0

Methyl Cyanoacetate CAS 105-34-0

Methyl Cyanoacetate CAS 105-34-0, Methyl Cyanoacetate, CAS 105-34-0

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Molecular formula: C₄H₅NO₂,Molecular weight: 99.09,Appearance: Colorless to slightly yellow transparent liquid with a special odor.

105-34-0

C4H5NO2

99.09

 

Methyl Cyanoacetate CAS 105-34-0 Information

CAS 105-34-0
Molecular formula C4H5NO2
Molecular weight 99.09
EIENCS
Form Liquid
Melting point -13°C
boling point 204-207°C
Density 1.123 g/mL at 25°C
Solubility 54g/l
PKA 2.75±0.10(Predicted)
Color Clear colorless to very slightly yellow
Storage temp Sealed in dry,Room Temperature

Methyl Cyanoacetate CAS 105-34-0

What is Methyl Cyanoacetate CAS 105-34-0?

Molecules and Structures

Molecular formula: C₄H₅NO₂

Molecular weight: 99.09

Appearance: Colorless to slightly yellow transparent liquid with a special odor.

Solubility: Slightly soluble in water (54 g/L, 20℃), miscible with ethanol, ether and benzene, insoluble in aliphatic hydrocarbons.

Physicochemical parameters

Melting and boiling points: Melting point -22.5℃ (or -13℃), boiling point 204-207℃ (at normal pressure).

Density and refractive index: Density 1.1225 g/cm³ (at 20℃), refractive index 1.417 (at 20℃).

Flash point and hazard: Flash point 110-113℃, flammable, vapor density 3.41 (air =1), can explode when exposed to open flames or oxidants.


Methyl Cyanoacetate CAS 105-34-0 Use

Synthesis of pharmaceuticals and pesticides

Pharmaceutical intermediates: synthetic vitamin B₆, antiepileptic drug gabapentin, anticancer drug pemetrexed impurities.

Pesticide intermediates: Preparation of sulfonylurea herbicides (such as 2-amino-4, 6-dimethoxylpyrimidine).

Industrial adhesive

Fast-drying adhesive synthesis: Production of α -cyanoacrylate methyl ester (medical 501 instant adhesive), used in automotive parts and home appliance assembly.

Functional Materials and scientific research

Dye intermediates: Synthetic ultraviolet absorbers and photographic chemicals.

Organic synthesis: Participates in the Knovenagel condensation reaction to generate aryl methylene malonitrile compounds.


Methyl Cyanoacetate CAS 105-34-0 safety

Toxicity data

Acute toxicity: Oral LD₅₀ 400-800 mg/kg in guinea pigs, oral LD₅₀ 2800 mg/kg in rats; Skin contact can cause dermatitis, and long-term exposure can damage the liver and kidneys.

Irritation: Strong irritation to the eyes and respiratory tract. Contact can cause pain and blurred vision.

Operation protection

Essential equipment: Gas mask, chemical protective suit, nitrile gloves, goggles (safety terminology S24/25).

Leakage treatment: After the sand and soil are adsorbed, they should be incinerated as hazardous waste. Flushing is strictly prohibited (to prevent diffusion).

Storage and Transportation

Packaging: Sealed in aluminum or plastic drums, 200kg per drum.

Conditions: Cool and well-ventilated (≤25℃), away from light and moisture, and keep away from oxidants/strong acids.

Hazard marking: UN 3276 (Class 6.1), Dangerous goods Marking Xi (Irritant).


Deshangchemical Info

  • ● Comgpany name : Shandong Deshang Chemicals Co., Ltd.
  • ● Main products : Treatments, sedimentation agents, flame retardants, catalysts, matte pigments, talcum powder, PVC additives, antifreeze agents, cellulose, cleaning agents, coconut oil, hydroxyethyl, cosmetics, matte agents, betaine, disinfectants, photosensitizers, humidifying agents, blue pigments, curing agents, potassium formate, sodium formate, cyclohexanol, preservatives, grinding aids.
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