3-Benzylidene-2,4-pentanedione

Modify Date: 2024-01-09 16:13:41

3-Benzylidene-2,4-pentanedione Structure
3-Benzylidene-2,4-pentanedione structure
Common Name 3-Benzylidene-2,4-pentanedione
CAS Number 4335-90-4 Molecular Weight 188.22200
Density 1.081 g/mL at 25 °C(lit.) Boiling Point 185-188 °C15 mm Hg(lit.)
Molecular Formula C12H12O2 Melting Point N/A
MSDS Chinese Flash Point >230 °F
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 3-benzylidenepentane-2,4-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.081 g/mL at 25 °C(lit.)
Boiling Point 185-188 °C15 mm Hg(lit.)
Molecular Formula C12H12O2
Molecular Weight 188.22200
Flash Point >230 °F
Exact Mass 188.08400
PSA 34.14000
LogP 2.24800
Index of Refraction n20/D 1.583(lit.)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SA1930000
CHEMICAL NAME :
2,4-Pentanedione, 3-benzylidene-
CAS REGISTRY NUMBER :
4335-90-4
BEILSTEIN REFERENCE NO. :
0972849
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C12-H12-O2
MOLECULAR WEIGHT :
188.24
WISWESSER LINE NOTATION :
1VYV1&U1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#08898

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS SA1930000
HS Code 2914399090

 Synthetic Route

 Customs

HS Code 2914399090
Summary 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

3-benzylidene-pentane-2,4-dione
Benzalacetylacetone
2,4-Pentanedione,3-(phenylmethylene)
MFCD00014990
3-Benzylideneacetylacetone
3-(Phenylmethylene)pentane-2,4-dione
1,1-Diacetyl-2-phenylethylene
2-Acetyl-1-phenyl but-1-en-3-one
1,1-bisacetyl-2-phenylethylene
EINECS 224-382-5
3-benzylidene-2,4-pentanedione
3-benzylidiene-2,4-pentanedione
u1r
Benzylidene acetylacetone
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