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2-Methyl butyric acid(CAS#116-53-0)

Chemical Property:

Molecular Formula C5H10O2
Molar Mass 102.13
Density 0.936 g/mL at 25 °C (lit.)
Melting Point -70 °C
Boling Point 176-177 °C (lit.)
Flash Point 165°F
JECFA Number 255
Water Solubility 45 g/L (20 ºC)
Solubility 20g/l
Vapor Presure 0.5 mm Hg ( 20 °C)
Appearance Liquid
Color Clear colorless to pale yellow
BRN 1720486
pKa 4.8(at 25℃)
Storage Condition Sealed in dry,Room Temperature
Explosive Limit 1.6-7.3%(V)
Refractive Index n20/D 1.405(lit.)
Physical and Chemical Properties There are three isomers of d-, l-and dl-, colorless to light yellow liquid, a pungent spicy goat cheese odor, low concentration of pleasant fruit aroma, taste of octonic. The boiling point is 176 ℃(dl-),l-type 176~177 ℃,dl-Type 173~174 ℃. Relative density d and l type (d420)0.934,dl type (d420)0.9332. Refractive index Type d (nD21.2)1.4044. Optical rotation d type [α]D 16 ° ~ 21 °,l type [α]D-6 ° ~-18 °, flash point 83 ℃. Slightly soluble in water and glycerol, soluble in ethanol and propylene glycol. The natural product (Type d) is present in the form of an ester in lavender oil, and type dl is present in coffee and angelica root, etc.
Use For the preparation of food, tobacco and daily flavor

Product Detail

Product Tags

Hazard Symbols C – Corrosive
Risk Codes R21/22 – Harmful in contact with skin and if swallowed.
R34 – Causes burns
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs UN 3265 8/PG 3
WGK Germany 1
RTECS EK7897000
FLUKA BRAND F CODES 13
TSCA Yes
HS Code 29156090
Hazard Class 8
Packing Group III

 

Introduction

2-Methylbutyric acid. The following is an introduction to the properties, uses, preparation methods and safety information of 2-methylbutyric acid:

 

Quality:

Appearance: 2-methylbutyric acid is a colorless liquid or crystal.

Density: approx. 0.92 g/cm³.

Solubility: 2-methylbutyric acid is partially soluble in water.

 

Use:

It can also be used as a solvent for resins, plasticizers for plastics, and solvents for coatings.

2-Methylbutyric acid can also be used in the preparation of metal rust inhibitors and paint solvents.

 

Method:

The preparation methods of 2-methylbutyric acid are mainly as follows:

It is prepared by the oxidation reaction of ethanol.

Prepared by oxidation reaction of 2-methacryrolen.

 

Safety Information:

2-Methylbutyric acid is irritating and may cause irritation and erythema when in contact with the skin, and direct contact with the skin should be avoided.

Inhalation of 2-methylbutyric acid vapor may cause throat irritation, respiratory irritation, and coughing, and attention should be paid to ventilation and personal protection.

During use, contact with strong oxidants and combustibles should be avoided to prevent dangerous reactions.

When storing and handling, severe vibration and high temperatures should be avoided.

 


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