Name | Alpha-Methylcinnamaldehyde |
Synonyms | FEMA 2697 3-PHENYLMETHACROLEIN α-Methylcinnamaldehyde LABOTEST-BB LT00928083 methyl cinnamic aldehyde ALPHA-METHYLCINNAMALDEHYDE Alpha-Methylcinnamaldehyde 3-Phenyl-2-methyl acrolein 2-methyl-3-phenyl-2-propena 2-methyl-3-phenylprop-2-enal ALPHA-METHYL CINNAMIC ALDEHYDE METHYL CINNAMIC ALDEHYDE, ALPHA (2E)-2-methyl-3-phenylprop-2-enal (2Z)-2-methyl-3-phenylprop-2-enal |
CAS | 101-39-3 |
EINECS | 202-938-8 |
InChI | InChI=1/C10H10O/c1-9(8-11)7-10-5-3-2-4-6-10/h2-8H,1H3/b9-7+ |
InChIKey | VLUMOWNVWOXZAU-VQHVLOKHSA-N |
Molecular Formula | C10H10O |
Molar Mass | 146.19 |
Density | 1.047g/mLat 25°C(lit.) |
Boling Point | 148-149°C27mm Hg(lit.) |
Flash Point | 175°F |
JECFA Number | 683 |
Solubility | Chloroform, Methanol (Slightly) |
Vapor Presure | 0.0171mmHg at 25°C |
Appearance | Oil |
Color | Colourless |
BRN | 507514 |
Storage Condition | Inert atmosphere,2-8°C |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. |
Sensitive | Air Sensitive |
Refractive Index | n20/D 1.605(lit.) |
Physical and Chemical Properties | Yellow liquid. With cinnamon-like aroma, sweet. Boiling point 148 C (3600Pa), flash point 79. Soluble in ethanol, propylene glycol and non-volatile oil, insoluble in glycerol and water. |
Use | Used as drug epalrestat Intermediate |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | 24/25 - Avoid contact with skin and eyes. |
WGK Germany | 1 |
RTECS | GD6600000 |
TSCA | Yes |
HS Code | 29122900 |
FEMA | 2697 | ALPHA-METHYLCINNAMALDEHYDE |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
properties | light yellow transparent liquid, with strong fragrance, with cinnamon-like aroma, sweet taste. Soluble in ethanol, propylene glycol and non-volatile oil, insoluble in glycerol and water. |
Use | α-methylcinnamaldehyde is mainly used in the preparation of spice flavor and in combination with cinnamaldehyde, and is used as a fragrance fixative. It is also used in organic synthesis. GB 2760-1996 provides for the permitted use of flavorants. Mainly used for the preparation of spices flavor and with the use of cinnamic aldehyde. used as drug epalrestat intermediate organic, pharmaceutical synthesis intermediates, can be used for the synthesis of a variety of drugs, such as epalrestat. |
content analysis | method 1 accurately weigh about 2.3g (or 1g) of the sample and then determine the content by aldehyde (OT-6) assay. Equivalent factor (e) in calculation |
toxicity | GRAS(FEMA). LD50 2050 mg/kg (rat, oral). |
usage limit | FEMA(mg/kg): Soft drink 0.50~11; Cold drink 1.0~15; Candy 26; baked goods 27; Gum 430. Moderate limits (FDA § 172.515,2000). |
preparation method | with benzaldehyde and propionaldehyde as raw materials, in alkaline medium by condensation reaction. |
production method | is the condensation of benzaldehyde and propionaldehyde in a 1% caustic soda solution. |