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alpha-Methylcinnamic acid

CAS No.
1199-77-5
Chemical Name:
alpha-Methylcinnamic acid
Synonyms
(E)-2-Methyl-3-phenylacrylic acid;A-METHYLCINNAMIC ACID;2-Methyl-3-phenylacrylic acid;2M3B;α-MethyL;α-Methylciamic acid;RARECHEM AL BM 0531;α-Methylcinmic acid;alpha-Methylcinnamic;α-Methylcinnamicacid
CBNumber:
CB1176094
Molecular Formula:
C10H10O2
Molecular Weight:
162.19
MDL Number:
MFCD00002652
MOL File:
1199-77-5.mol
MSDS File:
SDS
Last updated:2025-07-24 18:13:41

alpha-Methylcinnamic acid Properties

Melting point 79-81 °C(lit.)
Boiling point 288 °C
Density 1.0281 (rough estimate)
refractive index 1.6000 (estimate)
storage temp. Sealed in dry,Room Temperature
form Crystals or Crystalline Powder
pka 4.82±0.10(Predicted)
color White to yellow
BRN 2042544
InChI InChI=1S/C10H10O2/c1-8(10(11)12)7-9-5-3-2-4-6-9/h2-7H,1H3,(H,11,12)
InChIKey XNCRUNXWPDJHGV-BQYQJAHWSA-N
SMILES C(O)(=O)C(C)=CC1=CC=CC=C1
LogP 2.600
CAS DataBase Reference 1199-77-5(CAS DataBase Reference)
FDA UNII 52D2H37MVU
NIST Chemistry Reference «ALPHA»-methylcinnamic acid(1199-77-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Safety Statements  22-24/25
WGK Germany  3
HS Code  29163900
NFPA 704
1
2 0

alpha-Methylcinnamic acid price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich M35606 α-Methylcinnamic acid 99% 1199-77-5 25g $155 2025-07-31 Buy
Sigma-Aldrich M35606 α-Methylcinnamic acid 99% 1199-77-5 100g $305 2023-01-07 Buy
TCI Chemical M1336 α-Methylcinnamic Acid >98.0%(GC)(T) 1199-77-5 5g $29 2025-07-31 Buy
TCI Chemical M1336 α-Methylcinnamic Acid >98.0%(GC)(T) 1199-77-5 25g $78 2025-07-31 Buy
TRC B495030 α-Methylcinnamic acid 1199-77-5 1g $55 2021-12-16 Buy
Product number Packaging Price Buy
M35606 25g $155 Buy
M35606 100g $305 Buy
M1336 5g $29 Buy
M1336 25g $78 Buy
B495030 1g $55 Buy

alpha-Methylcinnamic acid Chemical Properties,Uses,Production

Chemical Properties

WHITE TO YELLOWISH CRYSTALS OR CRYSTALLINE POWDER

Uses

Alpha-methylcinnamic acid

Synthesis Reference(s)

Journal of the American Chemical Society, 94, p. 2520, 1972 DOI: 10.1021/ja00762a060
Synthetic Communications, 19, p. 71, 1989 DOI: 10.1080/00397918908050954

Synthesis

Benzaldehyde

100-52-7

Propionic anhydride

123-62-6

alpha-Methylcinnamic acid

1199-77-5

General procedure: Propionic anhydride (300 mmol, 1.6 eq.) was slowly added to a reaction vial containing potassium carbonate (224 mmol, 1.2 eq.) at 0 °C. After stirring for 5 min, benzaldehyde (186 mmol, 1.0 eq.) was added dropwise to the mixture. The reaction mixture was heated to reflux and maintained for 12 hours. Upon completion of the reaction, the mixture was cooled to room temperature using an ice bath, followed by addition of water (appropriate amount) and solid Na2CO3 (30 g) to the reaction mixture. The resulting yellow precipitate was collected by filtration and the filtrate was acidified to pH 6.0 with concentrated HCl to precipitate a solid product of 2-methyl-3-phenylpropenoic acid.

References

[1] Medicinal Chemistry Research, 2004, vol. 13, # 8-9, p. 660 - 676
[2] European Journal of Medicinal Chemistry, 2013, vol. 62, p. 632 - 648
[3] American Chemical Journal, 1906, vol. 36, p. 533
[4] Journal of the Chemical Society, 1877, vol. 31, p. 409
[5] Journal of the Chemical Society, 1878, vol. 33, p. 215

591-50-4
79-41-4
1199-77-5
Synthesis of alpha-Methylcinnamic acid from Iodobenzene and Methacrylic acid

alpha-Methylcinnamic acid Preparation Products And Raw materials

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View Lastest Price from alpha-Methylcinnamic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Alpha-Methylcinnamic acid pictures 2025-09-22 Alpha-Methylcinnamic acid
1199-77-5
US $0.00 / G 50G 98%min 30kg/month WUHAN FORTUNA CHEMICAL CO., LTD
alpha-Methylcinnamic acid pictures 2025-08-21 alpha-Methylcinnamic acid
1199-77-5
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mujin Biotechnology Co.,Ltd
alpha-Methylcinnamic acid pictures 2025-06-24 alpha-Methylcinnamic acid
1199-77-5
US $1.00 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
2-Methyl-3-phenyl-2-propenoic acid alpha-Methylcinnamic acid,99% α-Methylciamic acid 2M3B (E)-2-Methyl-3-phenylacrylic acid alpha-Methylcinnamic acid 99% (2E)-2-methyl-3-phenylacrylic acid RARECHEM AL BM 0531 (2E)-2-Methyl-3-phenyl-2-propenoic acid 2-Propenoic acid, 2-methyl-3-phenyl- alpha-Methylcinnamic Cinnamic acid, alpha-methyl- α-Methylcinnamicacid 2-Methyl-3-phenylacrylic acid ALPHA-METHYLCINNAMIC ACID A-METHYLCINNAMIC ACID à-methylcinnamic acid 2-METHYL-3-PHENYLPROPENOICACID ɑ-Methylcinnamic acid, 99% α-MethylcinnamicAcid> Epalrestat Impurity 11 (alpha-Methylcinnamic acid) α-MethyL α-Methylcinnamic acid ALPHA-METHYLCINNAMIC ACID 1199-77-5 Epalrestat Impurity 36 Lenacapavir Impurity 4 Epalrestat 2-methyl-3-phenyl-2-acrylic acid α-Methylcinnamic acid, CAS 1199-77-5 α-Methylcinmic acid 1199-77-5 1197-77-5 Organic Building Blocks Building Blocks C10 Carbonyl Compounds Carboxylic Acids Building Blocks Carbonyl Compounds Carboxylic Acids Chemical Synthesis Organic Building Blocks Carboxylic Acids C10 Carbonyl Compounds Cinnamic acid 1199-77-5 11