ChemicalBook > CAS DataBase List > Crotonic acid
Crotonic acid
- Product Name
- Crotonic acid
- CAS No.
- 107-93-7
- Chemical Name
- Crotonic acid
- Synonyms
- (E)-But-2-enoic acid;Crotonate;BUT-2-ENOIC ACID;2-Butenoic acid, (E)-;BUTENOIC ACID;(E)-2-BUTENOIC ACID;TRANS-CROTONIC ACID;NSC 8751;(e)-2-butenoicaci;(2E)-2-Butenoic acid
- CBNumber
- CB6145402
- Molecular Formula
- C4H6O2
- Formula Weight
- 86.09
- MOL File
- 107-93-7.mol
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Crotonic acid Property
- Melting point:
- 70-72 °C (lit.)
- Boiling point:
- 180-181 °C (lit.)
- Density
- 1.027 g/mL at 25 °C (lit.)
- vapor density
- 2.97 (vs air)
- vapor pressure
- 0.19 mm Hg ( 20 °C)
- refractive index
- 1.4228
- FEMA
- 3908 | (E)-2-BUTENOIC ACID
- Flash point:
- 190 °F
- storage temp.
- Store below +30°C.
- solubility
- H2O: soluble
- pka
- 4.69(at 25℃)
- form
- Crystalline Flakes
- color
- White to light yellow
- PH
- 3 (10g/l, H2O, 20℃)
- Odor
- at 1.00 %. milky
- Odor Type
- milky
- explosive limit
- 15.1%, 171°F
- Water Solubility
- 94 g/L (25 ºC)
- Merck
- 14,2597
- JECFA Number
- 1371
- BRN
- 1719943
- InChIKey
- LDHQCZJRKDOVOX-NSCUHMNNSA-N
- LogP
- 0.85 at 25℃
- CAS DataBase Reference
- 107-93-7(CAS DataBase Reference)
- NIST Chemistry Reference
- Crotonic acid(107-93-7)
- EPA Substance Registry System
- 2-Butenoic acid, (2E)- (107-93-7)
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Safety
- Hazard Codes
- C,N,Xi
- Risk Statements
- 21/22-34-50/53-36/37/38
- Safety Statements
- 26-36/37/39-45-61-37/39
- RIDADR
- UN 2823 8/PG 3
- WGK Germany
- 3
- RTECS
- GQ2900000
- Autoignition Temperature
- 744 °F
- HazardClass
- 8
- PackingGroup
- III
- HS Code
- 29161940
- Toxicity
- LD50 orally in rats: 1.0 g/kg (Smyth, Carpenter)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H318Causes serious eye damage
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 113018
- Product name
- Crotonic acid
- Purity
- 98%
- Packaging
- 500g
- Price
- $57.8
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 113018
- Product name
- Crotonic acid
- Purity
- 98%
- Packaging
- 3kg
- Price
- $309
- Updated
- 2024/03/01
TCI Chemical
- Product number
- C0416
- Product name
- Crotonic Acid
- Purity
- >98.0%(GC)(T)
- Packaging
- 25g
- Price
- $51
- Updated
- 2024/03/01
TCI Chemical
- Product number
- C0416
- Product name
- Crotonic Acid
- Purity
- >98.0%(GC)(T)
- Packaging
- 100g
- Price
- $116
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A15765
- Product name
- trans-Crotonic acid
- Purity
- 98%
- Packaging
- 25g
- Price
- $21.8
- Updated
- 2024/03/01
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Crotonic acid Chemical Properties,Usage,Production
Chemical Properties
White to light yellow crystalline flakes
Chemical Properties
2-Butenoic acid is a crystalline compound with a pungent odor.
Uses
trans-Crotonic acid is used in the copolymerization of crotonic acid hydrogel systems by using gamma-rays. The crosslinked copolymeric crotonic acid hydrogels release fertilizers and drugs that help to prevent environmental pollution.
Definition
ChEBI: Crotonic acid is a but-2-enoic acid with a trans- double bond at C-2. It has been isolated from Daucus carota. It has a role as a plant metabolite. It is a conjugate acid of a crotonate.
Preparation
(E)-2-Butenoic acid may be formed by oxidation of crotonaldehyde, 2-butenal. If (Z)-butenoic acid is heated at 180°C, it is converted to (E)-2-butenoid acid.
General Description
Crotonic acid undergoes esterification with butan-2-ol by following second order reaction kinetics.
Flammability and Explosibility
Not classified
storage
Store at RT
Purification Methods
Distil the acid under reduced pressure and/or recrystallise it from pet ether (b 60-80o) or water, or by partial freezing of the melt. [Beilstein 2 IV 1498.]
Crotonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Crotonic acid manufacturers
Hebei Yanxi Chemical Co., Ltd.
- Product
- Crotonic acid 107-93-7
- Price
- US $40.00-40.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 10 tons
- Release date
- 2023-09-08
Hebei Guanlang Biotechnology Co., Ltd.
- Product
- Crotonic acid 107-93-7
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2021-08-09
Henan Aochuang Chemical Co.,Ltd.
- Product
- Crotonic acid 107-93-7
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1Ton
- Release date
- 2022-09-30
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