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CAS RN: 51325-91-8 | Product Number: D2849

4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran


Purity: >95.0%(HPLC)
Synonyms:
  • DCM
Documents:
500MG
€64.00
1   ≥40 

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Product Number D2849
Purity / Analysis Method >95.0%(HPLC)
Molecular Formula / Molecular Weight C__1__9H__1__7N__3O = 303.37 
Physical State (20 deg.C) Solid
CAS RN 51325-91-8
Reaxys Registry Number 3594295
PubChem Substance ID 87558537
Merck Index (14) 2838
Specifications
Appearance Dark red to Brown powder to crystal
Purity(HPLC) min. 95.0 area%
Melting point 217.0 to 223.0 °C
Lambda max. 465.0 to 470.0 nm(CH2Cl2)
Molar extinction coefficient min. 35000 (CH2Cl2, 465.0 ~ 470.0 nm)
Properties (reference)
Melting Point 220 °C
Maximum Absorption Wavelength 468 nm
GHS
Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 : Harmful if swallowed.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H228 : Flammable solid.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
Related Laws:
EC Number 257-137-6
RTECS# OO3746100
Transport Information:
UN Number UN1325
Class 4.1
Packing Group III
HS Number 2932990090
PubMed Literature


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