4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran

Modify Date: 2024-01-02 14:03:12

4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran Structure
4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran structure
 Common Name 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
CAS Number 51325-91-8 Molecular Weight 303.358
Density 1.2±0.1 g/cm3 Boiling Point 446.9±45.0 °C at 760 mmHg
Molecular Formula C19H17N3O Melting Point 215-220ºC (lit.)
MSDS Chinese USA Flash Point 224.1±28.7 °C
Symbol GHS02 GHS07
GHS02, GHS07		 Signal Word Danger

 Names

Name 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 446.9±45.0 °C at 760 mmHg
Melting Point 215-220ºC (lit.)
Molecular Formula C19H17N3O
Molecular Weight 303.358
Flash Point 224.1±28.7 °C
Exact Mass 303.137177
PSA 60.05000
LogP 1.69
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.689
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OO3746100
CHEMICAL NAME :
Malononitrile, (2-(p-(dimethylamino)styryl)-6-methyl-4H-pyran-4-ylid ene)-
CAS REGISTRY NUMBER :
51325-91-8
LAST UPDATED :
199706
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C19-H17-N3-O
MOLECULAR WEIGHT :
303.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
1 ug/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7,511,1985

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger
Hazard Statements H228-H315-H319-H332-H335
Precautionary Statements P210-P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes F: Flammable;Xn: Harmful;
Risk Phrases R10;R11;R20/21/22;R36/37/38
Safety Phrases S16-S26-S36/37-S7/9
RIDADR UN 3175
WGK Germany 3
RTECS OO3746100
Packaging Group III
Hazard Class 4.1
HS Code 2932999099

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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 Synonyms

(2-(2-(4-(Dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)propanedinitrile
4-(dicyanomethylene)-2-methyl-6-[p-(dimethylamino)styryl]-4H-pyran
[2-[2-[4-(Dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]propanedinitrile
Malononitrile, (2-(p-(dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)-
4-(DicyanoMethylene)-2-Methyl-6-(p-diMethylaminostyryl)-4H-Pyran,Laser Grade
(2-(2-(4-(Dimethylamino)phenyl)vinyl)-6-methyl-4H-pyran-4-ylidene)malononitrile
(2-(p-(Dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)malononitrile
EINECS 257-137-6
Propanedinitrile, 2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]-
4-Dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran
MFCD00051341
2-[2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile
4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran
4-(Dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile
4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran
Propanedinitrile, (2-(2-(4-(dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)-
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Chemsrc provides CAS#:51325-91-8 MSDS, density, melting point, boiling point, structure, etc. Its name is 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran>> amp version: 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran

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