4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran , 95% , 51325-91-8

Synonym(s):
DCM

CAS NO.：51325-91-8

Empirical Formula: C19H17N3O

Molecular Weight: 303.36

MDL number: MFCD00051341

EINECS: 257-137-6

PRODUCT Properties

• Melting point: 215-220 °C(lit.)
• Boiling point: 444.29°C (rough estimate)
• Density: 1.239
• refractive index: 1.5900 (estimate)
• Flash point: 110 °F
• storage temp.: Sealed in dry,Room Temperature
• pka: 5.46±0.24(Predicted)
• form: Powder or Crystalline Needles
• color: Dark red
• Appearance: Dark red to Brown powder to crystal
• λmax: 468 nm
• Merck: 14,2838
• InChI: InChI=1S/C19H17N3O/c1-14-10-16(17(12-20)13-21)11-19(23-14)9-6-15-4-7-18(8-5-15)22(2)3/h4-11H,1-3H3
• InChIKey: YLYPIBBGWLKELC-UHFFFAOYSA-N
• SMILES: C(#N)/C(=C1/C=C(C)OC(C=CC2=CC=C(N(C)C)C=C2)=C/1)/C#N
• EPA Substance Registry System: Propanedinitrile, [2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]- (51325-91-8)

Description and Uses

DCM is a laser dye.

Laser dye.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H228-H315-H319-H332-H335
• Precautionary statements: P210-P240-P241-P302+P352-P304+P340+P312-P305+P351+P338
• target organs: Respiratory system
• PPE: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
• Hazard Codes: F,Xn
• Risk Statements: 11-20-36/37/38-20/21/22-10
• Safety Statements: 16-26-36-7/9-36/37
• RIDADR: UN 3175 4.1/PG 2
• WGK Germany: 3
• RTECS: OO3746100
• TSCA: TSCA listed
• HazardClass: 4.1
• PackingGroup: III
• HS Code: 29329990
• Storage Class: 4.1B - Flammable solid hazardous materials
• Hazard Classifications: Acute Tox. 4 Inhalation; Eye Irrit. 2; Flam. Sol. 1; Skin Irrit. 2; STOT SE 3