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Phenethyl isocyanate

CAS 1943-82-4C6H5CH2CH2NCOChemical Synthesis

Phenethyl isocyanate (CAS: 1943-82-4), with the molecular formula C6H5CH2CH2NCO and a molar mass of 147.17 g/mol, is a reactive organic building block. It is primarily utilised in chemical synthesis, particularly as an intermediate in the production of various organic compounds. Its isocyanate functional group makes it a versatile reagent for derivatization and the formation of urea, carbamate, and amide linkages. Supplied at a purity of 98%.

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Phenethyl isocyanate (C6H5CH2CH2NCO) — chemical structure, CAS 1943-82-4; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisIsocyanatesNitrogen CompoundsOrganic Building Blocks
01 /Applications

Chemical Synthesis Intermediate

Phenethyl isocyanate serves as a key intermediate in organic synthesis. Its reactive isocyanate group readily participates in addition reactions, enabling the construction of more complex molecules.

Building Block for Organic Compounds

This compound is a valuable building block for creating various organic structures, including pharmaceuticals and agrochemicals. It facilitates the introduction of the phenethyl moiety into target molecules.

Reagent for Derivatization

Due to its electrophilic isocyanate group, phenethyl isocyanate is employed for the derivatization of amines and alcohols. This process is useful for characterization or modification of other chemical entities.

02 /Properties
Molecular weight147.17
Linear formulaC6H5CH2CH2NCO
Assay98%
Boiling point210 °C(lit.)
Density1.063 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.522(lit.)
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Danger

Hazard statements

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H317May cause an allergic skin reaction
  • H331Toxic if inhaled
  • H334May cause allergy or asthma symptoms if inhaled
  • H411Toxic to aquatic life with long-lasting effects

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P273Avoid release to the environment
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point100 °C / 212 °F
Transport (UN / ADR)UN 2206 6.1/PG 3
Water hazard class (WGK, DE)2
Hazard codes (EU)T,C,N
Risk statements (R)22-23-35-42/43-51/53
Safety statements (S)23-26-36/37/39-43-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
1943-82-4
MDL number
MFCD00037044
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Phenethyl isocyanate used for?

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Phenethyl isocyanate is primarily used as a building block and intermediate in chemical synthesis for the preparation of various organic compounds and for derivatization reactions.

What are the CAS number and formula for Phenethyl isocyanate?

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The CAS number for Phenethyl isocyanate is 1943-82-4 and its molecular formula is C6H5CH2CH2NCO.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Phenethyl isocyanate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should Phenethyl isocyanate be handled safely?

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Phenethyl isocyanate is a dangerous substance. It is corrosive, toxic if inhaled, harmful if swallowed, and can cause allergic skin reactions. Handle with extreme care using appropriate personal protective equipment including gloves, goggles, face shield, and a suitable respirator. Ensure adequate ventilation. Avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.

How is Phenethyl isocyanate packed, shipped, and exported?

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Phenethyl isocyanate is typically packed in UN-approved containers suitable for hazardous materials. It is shipped and exported in compliance with all relevant international regulations for dangerous goods.

How can I request a sample or a quote for Phenethyl isocyanate?

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To request a sample or a quote for Phenethyl isocyanate, please use the contact form on our website or contact our sales department directly.

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