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L-Isoleucine

L-Isoleucine
CAS No.: 73-32-5
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
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+86 18765828098
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Product Introduction

Crystalline leaflets or a white, crystalline powder having a bitter taste. It is soluble in 25 parts of water, slightly soluble in hot alcohol, and soluble in diluted mineral acids and in alkaline solutions. It sublimes at between 168°C and 170°C, and melts with decomposition at about 284°C. The pH of a 1 in 100 solution is between 5.5 and 7.0.

Absolute: The absolute is prepared by alcoholic extraction of the concrete in approximately 55 to 60% yields. The absolute consists of a semisolid, olive-green mass with a characteristic ambergris odor.


CHEMICAL PROPERTIES

PropertyValue
Melting point288 °C (dec.) (lit.)
Alpha41 º (c=4, 6N HCl)
Boiling point225.8±23.0 °C(Predicted)
Bulk density470kg/m3
Density1.2930 (estimate)
FEMA4675 | L-ISOLEUCINE
Refractive index40.5 ° (C=4, 6mol/L HCl)
Fp168-170°C
Storage temp.Store below +30°C.
Solubility1 M HCl: 50 mg/mL
FormPowder
Pka2.32, 9.76(at 25℃)
ColorWhite to Off-white
Odorodorless
PH5.5-6.5 (40g/l, H2O, 20℃)
Biological sourceSynthetic
Optical Rotation[α]20/D +41.0±1°, c = 5% in 6 M HCl
Water Solubility41.2 g/L (50 ºC)
λmaxλ: 260 nm Amax: 0.07λ: 280 nm Amax: 0.05
JECFA Number2118
Merck145,179
Sublimation168-170 ºC
BRN1721792
InChIKeyAGPKZVBTJJNPAG-WHFBIAKZSA-N
LogP0.8
CAS DataBase Reference73-32-5(CAS DataBase Reference)
NIST Chemistry ReferenceIsoleucine(73-32-5)
EPA Substance Registry SystemL-Isoleucine (73-32-5)


SAFETY INFORMATION

PropertyValue

Hazard Codes

Xn

Risk Statements

40

Safety Statements

24/25-36-22

WGK Germany

3

RTECS

NR4705000

TSCA

Yes

HS Code

29224995

Hazardous Substances Data

73-32-5(Hazardous Substances Data)

Toxicity

LD50 intraperitoneal in rat: 6822mg/kg


PRODUCT USAGE

L-Isoleucine is an essential branched-chain amino acid (BCAA) that plays a critical role in muscle metabolism, immune function, and hemoglobin synthesis. In the sports nutrition industry, it is a key component of BCAA formulations, working synergistically with leucine and valine to promote muscle recovery after intense exercise and prevent muscle breakdown. The pharmaceutical sector utilizes high-purity L-Isoleucine as a vital ingredient in parenteral and enteral nutrition infusions, providing essential metabolic support for patients recovering from trauma or surgery. In food science, it is used as a nutritional fortifier and flavor enhancer in specialized diets. Additionally, it serves as a high-value chemical intermediate in the synthesis of specialized peptides and surfactants. In the animal feed industry, it is increasingly used to optimize the amino acid profile in livestock diets to ensure healthy growth and efficient feed conversion.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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