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CAS No 107-93-7 , Crotonic acid

  • Name: Crotonic acid
  • Synonyms: trans-Crotonic acid;Crotonic acid;(E)-2-Butenoic acid; trans-2-Butenoic acid; (E)-Crotonic acid; Crotonic Acid; trans-3-Methylacrylic acid;trans-2-Butenoic acid;
  • CAS Registry Number:
  • Transport: UN 2823
  • Melting Point: 70-73 ºC
  • Flash Point: 88 ºC
  • Boiling Point: 185-199 ºC
  • Density: 1.027
  • Refractive index: 1.4228
  • Water Solubility: 94 G/L (25 ºC)
  • Safety Statements: R36/37/38;R50/53
  • Hazard Symbols: N: Dangerous for the environment;Xi: Irritant;
  • HS Code: 29161940
  • Flash Point: 88 ºC
  • EINECS: 203-533-9
  • Molecular Weight: 86.09
  • InChI: InChI=1/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+
  • Risk Statements: S26;S37/39;S61
  • Molecular Formula: C4H6O2
  • Molecular Structure:CAS No:107-93-7 Crotonic acid
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107-93-7 Crotonic acid

  • Product name:Crotonic acid CAS:107-93-7 Purity:98% Packing: can be according to customer specific requirement.
  • China Cangzhou Enke Pharma-tech Co.,Ltd [Manufacturer]
  • Tel: 86-0317-5106598
  • Fax: --
  • Address: 40# Shuiyue Street, Cangzhou City,Hebei Province, China. Cangzhou,HebeiChina
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107-93-7 Crotonic acid; 99%

  • Crotonic acid; 99%
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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107-93-7 1-PROPENE-1-CARBOXYLIC ACID

  • 1-PROPENE-1-CARBOXYLIC ACID
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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107-93-7 Crotonic acid

  • Crotonic acid
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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107-93-7 Crotonic Acid

  • China Chemrio International Limited [Manufacturer]
  • Tel: +86 574 2789 1268/ +86-139 5789 5864 (mobile)
  • Fax: +86 574 2789 1266
  • Address: Chemrio International Limited
    Room 611-612, Wante Business Center
    No.487 Yangmuqi Road,
    Hi-tech Park Ningbo, 315040,China ,China
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107-93-7 Trans-crotonic acid

  • China Xilin Chemical Group Co., Ltd []
  • Tel: +86-(0)-15527136576
  • Fax: +86-(27)-83820093
  • Address: 16# Luojiashan, Wuchang District, Wuhan, Hubei 430071, ,China
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107-93-7 CROTONIC ACID

  • United States Bromorganics Corporation [Manufacturer]
  • Tel: 847-238-9588
  • Fax: 847-238-9688
  • Address: Bromorganics Corporation
    P. O. Box 722
    Elk Grove Village, Illinois 60009 ,United States
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107-93-7 Crotonic Acid

  • China Trust&We Co., Ltd. [Manufacturer]
  • Tel: +86-21-61044582
  • Fax: +86-21-61044583
  • Address: 1-102,No.11,Dongjiaominxiang Alley,
    Dongcheng District,
    Beijing 100005,China ,China
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107-93-7 Crotonic Acid

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 ,China
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107-93-7 CROTONIC ACID(RG)

  • CROTONIC ACID(RG)Butenoic acid,Trans-2-
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 ,United States
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References of Crotonic acid
Title: Crotonic Acid
CAS Registry Number: 107-93-7
CAS Name: (2E)-2-Butenoic acid
Synonyms: b-methylacrylic acid; a-crotonic acid; solid crotonic acid; trans-crotonic acid
Molecular Formula: C4H6O2
Molecular Weight: 86.09
Percent Composition: C 55.81%, H 7.02%, O 37.17%
Literature References: Has been found in clay soil in Texas; formed during the dry distillation of wood. Obtained on a commercial scale exclusively by oxygen- or air-oxidation of crotonaldehyde: Kennedy, US 2413235 (1946 to Shawinigan Chem.); Leupold, PB report 70249 (1942); Matthews, B.I.O.S. report 758 (1946). Laboratory procedure using alkaline silver oxide: Young, J. Am. Chem. Soc. 54, 2498 (1932); from acetaldehyde and malonic acid in pyridine: v. Auwers, Ann. 432, 46 (1923); Backer, Bloemen, Rec. Trav. Chim. 45, 102 (1926); Florence, Bull. Soc. Chim. Fr. [4] 41, 440 (1927); Letch, Linstead, J. Chem. Soc. 1932, 454. Toxicity study: Smyth, Carpenter, J. Ind. Hyg. Toxicol. 26, 269 (1944). Review: W. Blau et al., in Ullmann's Encyclopedia of Industrial Chemistry vol. A8 (VCH, Weinheim, 5th ed., 1987) pp 83-89.
Properties: Monoclinic needles, prisms from water or ligroin. Corrosive and combustible solid. d415 1.018; d480 0.964. mp 71.6°. bp10 80.0°; bp20 93.0°; bp40 107.8°; bp60 116.7°; bp100 128.0°; bp200 146.0°; bp400 165.5°; bp760 185.0°. nD80 1.4228. pKa (25°) 4.817. Heat of combustion: 2.00 MJ/mol. Heat of fusion: 150.9 J/g. Soly in water (g/l) at 0°: 41.5; at 10°: 54.6; at 20°: 76.1; at 25°: 94; at 30°: 122; at 40°: 656. Soly in ethanol at 25°: 52.5% w/w; acetone: 53.0% w/w; toluene: 37.5% w/w. LD50 orally in rats: 1.0 g/kg (Smyth, Carpenter).
Melting point: mp 71.6°
Boiling point: bp10 80.0°; bp20 93.0°; bp40 107.8°; bp60 116.7°; bp100 128.0°; bp200 146.0°; bp400 165.5°; bp760 185.0°
pKa: pKa (25°) 4.817
Index of refraction: nD80 1.4228
Density: d415 1.018; d480 0.964
Toxicity data: LD50 orally in rats: 1.0 g/kg (Smyth, Carpenter)
 
Derivative Type: Methyl ester
Molecular Formula: C5H8O2
Molecular Weight: 100.12
Percent Composition: C 59.98%, H 8.05%, O 31.96%
Properties: Liq, bp 121°; d420 0.9444; nD20 1.4242.
Boiling point: bp 121°
Index of refraction: nD20 1.4242
Density: d420 0.9444
 
Derivative Type: Ethyl ester
Molecular Formula: C6H10O2
Molecular Weight: 114.14
Percent Composition: C 63.14%, H 8.83%, O 28.03%
Properties: Liq, bp 138°; d420 0.9175; nD20 1.4245.
Boiling point: bp 138°
Index of refraction: nD20 1.4245
Density: d420 0.9175
 
Derivative Type: Vinyl ester
Molecular Formula: C6H8O2
Molecular Weight: 112.13
Percent Composition: C 64.27%, H 7.19%, O 28.54%
Properties: Liq, bp 133°; d420 0.9410; nD20 1.450.
Boiling point: bp 133°
Index of refraction: nD20 1.450
Density: d420 0.9410
 
Use: In the manuf of copolymers with vinyl acetate used in lacquers and paper sizing; in the manuf of softening agents for synthetic rubber. In medicinal chemistry, e.g., in the manuf of DL-threonine, vitamin A.