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L-Alanine,

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CAS No.:

56-41-7

Port:

SHANGHAI

Packaging:

25KG/DRUM

Price valid (until):

2026-08-01

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Hangzhou Dawn Ray Pharmaceutical Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

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Description

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Items	Specifications
	English Name: L-Alanine CAS No.: 56-41-7 Molecular Formula: C₃H₇NO₂ Molecular Weight: 89.09 EINECS: 200-273-8 MDL Number: MFCD00064410 Physicochemical Properties Melting Point: 314.5 °C Optical Rotation: +14.0±1° (c=5% in 5 M HCl, 20/D); 14.5 º (c=10, 6N HCl, dry substance) Boiling Point: 212.9±23.0 °C (Predicted) Bulk Density: 660 kg/m³ Density: 1.432 g/cm³ Refractive Index: 1.4650 (estimated) FEMA No.: 3818 (DL-Alanine) Storage Condition: 2–8 °C Water Solubility: 100 mg/mL; 166.5 g/L (25 °C) Appearance: White to almost white powder, odorless pKa: 2.34 (25℃) pH Value: 5.5–6.5 (100 g/L aqueous solution, 20℃) LogP: -0.68 UV Absorption: λmax 260 nm Amax ≤0.03; λmax 280 nm Amax ≤0.02 Stability: Stable; incompatible with strong oxidizing agents Structural Code InChI: 1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1 InChIKey: QNAYBMKLOCPYGJ-REOHCLBHSA-N SMILES: CC@HC(O)=O BRN: 1720248 Merck Index: 14,204 Applications Chemical synthesis: Peptide synthesis intermediate Pharmaceutical field: Small-molecule drug raw material, amino acid infusion Cosmetic functions: Skin conditioning, antistatic, hair conditioning, fragrance component Safety & Hazard Information GHS Label Hazard Pictogram: GHS07 (Exclamation Mark) Signal Word: Warning Hazard Statements: H315 (Skin irritation), H319 (Serious eye irritation), H335 (May cause respiratory irritation) Precautionary Statements: P261; P305+P351+P338 Protection Equipment: Eyeshields, protective gloves, N95 respirator Risk & Safety Codes Hazard Symbol: Xi (Irritant) Risk Phrase: R36/37/38 (Irritating to eyes, respiratory system and skin) Safety Phrase: S24/25, S26, S36 Other safety indexes WGK Germany: 3 RTECS No.: AY2990000 TSCAT: Listed Storage Class: 11 – Combustible Solids Customs & Logistics HS Code: 29224995 Transport property: Irritant but non-dangerous goods for ocean shipment (FOB applicable)

A white, odorless powder having a sweet taste White crystalline powder

Basic Info

Product Name:

L-Alanine

Other Name:

L-Alanine;Alanine,L-;L-α-Alanine;L-2-Aminopropanoic acid;L-α-Aminopropionic acid;α-Alanine;(S)-Alanine;L-(+)-Alanine;Alanine;Propanoic acid,2-amino-,(S)-;L-2-Aminopropionic acid;α-Aminopropionic acid;(S)-2-Aminopropanoic acid;(S)-(+)-Alanine;NSC 206315;(2S)-2-Aminopropanoic acid;Lactamine;2-Aminopropionic acid;(2S)-2-Aminopropanoic acid;(2S)-2-Azaniumylpropanoate;8: PN: WO2021055880 SEQID: 9 claimed protein;115967-49-2;6898-94-8;759445-89-1;787635-21-6;170805-71-7;1150316-17-8

CAS No.:

56-41-7

Molecular Formula:

C3H7NO2

InChIKeys:

InChIKey=QNAYBMKLOCPYGJ-REOHCLBHSA-N

Molecular Weight:

89.09

Exact Mass:

89.09

BRN:

1720248

EC Number:

200-273-8

DSSTox ID:

DTXSID20107828

Color/Form:

Orthorhombic crystals from water|White crystalline powder

HScode:

29224995

Categories:

Semicarbazides

Characteristics

PSA:

63.3

XLogP3:

-3

Appearance:

White to almost white powder

Density:

1.432 g/cm³ @ Temp: 22 °C

Melting Point:

300 °C (decomp)

Boiling Point:

250 deg C (sublimes)

Flash Point:

82.6ºC

Water Solubility:

H2O: 166.5 g/L (25 ºC)

Storage Conditions:

Store at RT.

Vapor Pressure:

1.05X10-7 mm Hg at 25 deg C (est)

Specific rotation:

14.5 º (c=10,6N HCl,dry sub.)

Odor:

Odorless

Taste:

Sweet taste

PKA:

2.34(at 25 °C)

Henrys Law Constant:

Henry's Law constant = 1.5X10-9 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

2.34 (at 25 °C)|pKa1 = 2.34 /carboxylic acid/; pKa2 = 9.69 /primary amine/

Experimental Properties:

PRISMS; DECOMP @ 204 °C /L-ALANINE HYDROCHLORIDE/|UV: 2-10 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Alpha-alanine (dl)/|Hydroxyl radical reaction rate constant = 3.5X10-11 cu cm/molecule-sec at 25 °C (est)

See More L-Alanine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Alanine Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

Location:
1613 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China.

Payment Terms:
TT against copy of documents,L/C

Average lead Time:
7

Total Annual Revenue:
$25 million-$50 million

Total Employees:
11-50

Year of Establishment:
2011

Dawn Ray is a R&D and process improvement company,which is located in Hangzhou, Zhejiang province,China.We are dealing in multi-application of pharmaceuticals(APIs),antibiotics,food additives,peptides and plant extracts.

Dawn Ray has a wide range of products from milligram up to thousands of kilogram quantities.We are also increasing our breed all the time.Our products have been exported all over the world and have a good reputation.

Dawn Ray promises that we can offer you qualified products and excellent service in good prices.Our aim is "Best goods,best service".We sincerely invite customers from all over the world to visit our company,establish business relations and both get win.

Process Capacity: Synthetic,Ferment,extract

After-sale Service:24 hours on skype for business

Inquiry History

20 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	L-Alanine	100 G	Aug 7, 2026
United States	L-Alanine	1.00 MT	Jul 2, 2026
India	L-Alanine	500 G	May 22, 2026
India	L-Alanine	1 MT	Apr 23, 2025
India	L-Alanine	25 KG	Apr 21, 2025
India	L-ALANINE	60 KG	Apr 1, 2025
Singapore	L-Alanine	10000 MT	Feb 21, 2025
South Africa	L-Alanine	1 MT	Jul 23, 2024
Nigeria	l-alanine	1 KG	Jul 15, 2024
India	L-Alanine	1 TON	Jun 18, 2024
India	L-Alanine	30 MT	May 6, 2024
South Korea	L-Alanine	1 MT	Jun 29, 2026
United States	L-Alanine	1000 KG	Apr 22, 2026
Greece	ALANINE (Ala, A)	1500.00 KG	Sep 24, 2025
Singapore	L-Alanine	10000 MT	Jan 16, 2025
Egypt	L-Alanine	500 KG	Jul 4, 2024
Egypt	L-Alanine	500 KG	Apr 22, 2024
India	L-Alanine	100 KG	May 27, 2026
India	L-ALANINE	100.00 KG	Mar 25, 2025
Canada	Caculus Bovis	1 MT	Dec 28, 2023

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L-Alanine,

Product Description

Seller Information

Inquiry History

Physicochemical Properties

Structural Code

Applications

Safety & Hazard Information

Customs & Logistics