317861

Phenyl isothiocyanate

99%, for protein sequencing

• Synonym(s): PITC
• Linear Formula: C₆H₅NCS
• CAS Number: 103-72-0
• Molecular Weight: 135.19
• Beilstein: 471392
• EC Number: 203-138-1
• MDL number: MFCD00004798
• UNSPSC Code: 12352100
• PubChem Substance ID: 57648607
• NACRES: NA.21

Properties

• type: for protein sequencing
• Quality Level: 100
• Assay: 99%
• form: liquid
• refractive index: n20/D 1.6515 (lit.)
• bp: 218 °C (lit.); 221 °C
• mp: −21 °C (lit.)
• solubility: water: insoluble
• density: 1.132 g/mL at 20 °C (lit.)
• functional group: isothiocyanate
• storage temp.: 2-8°C
• SMILES string: S=C=Nc1ccccc1
• InChI: 1S/C7H5NS/c9-6-8-7-4-2-1-3-5-7/h1-5H
• InChI key: QKFJKGMPGYROCL-UHFFFAOYSA-N

Description

Application

Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC.

Used for derivatizing N-terminal amino acids of proteins for automated sequential analysis. Synthon for dithiadiazafulvalenes.

Safety Information

• Pictograms: GHS06,GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H301,H314,H317,H334
• Precautionary Statements: P261 - P272 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): 190.4 °F - closed cup
• Flash Point(C): 88 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves