Which markets do you export to?

We export to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, and Western Europe.

Are there limits on heavy metals?

Yes, the limit for Heavy Metals (as Pb) is Max 0.001%.

Food Grade USP N-Acetyl-L-Cysteine

Name: Food Grade USP N-Acetyl-L-Cysteine
Brand: Qingdao Songwal Biotech Co., Ltd.
SKU: 1952730562

Shandong, ChinaQingdao Songwal Biotech Co., Ltd.

US$32.00

25-499 kg

US$22.00

500+ kg

Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

CAS No.

616-91-1

Formula

C5h9no3s

Model NO.

99%

EINECS

210-498-3

Color

White

Appearance

Powder

Assay

98.5~101.0%

pH

2.0~2.8

Specific Optical Rotation[a]D20°

+21~+27

Melting Point, ℃

106~110

Transmittance

Min 98.0%

Loss on Drying

Max 0.5%

Residue on Ignition

Max 0.2%

Chloride

Max 0.04%

Sulfate

Max 0.03%

Heavy Metals (as Pb)

Max 0.001%

Transport Package

Drum/Carton

Specification

25kg/drum/carton

Trademark

songwal

Origin

China

HS Code

29309090

Production Capacity

100mt/Month

Key features

High Purity Assay: Assay range is 98.5~101.0% with a typical result of 99.3%.

Antioxidant Properties: Glutathione precursor derived from L-cysteine with strong antioxidant effects.

Clinical Benefits: Used for cough, dry eyes, influenza, and as an antidote for acetaminophen overdose.

Food Grade Quality: USP grade N-Acetyl-L-Cysteine suitable for food and pharmaceutical applications.

Detailed Specifications: Includes strict limits for heavy metals, chloride, sulfate, and other amino acids.

Global Export Capability: Exports to North America, South America, Europe, Asia, Africa, and Oceania.

Flexible Payment Terms: Accepts LC, T/T, PayPal, Western Union, and Money Gram.

Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.

Company profile

Qingdao Songwal Biotech Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: qingdao, yantaiAverage Response Time: ≤5.51hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryQingdao Songwal Biotech Co., Ltd. is identified as a Chinese manufacturer/factory and limited company located in Laoshan District, Qingdao, Shandong. Its stated business covers amino acids, food and feed additives, pharmaceutical intermediates, vitamins, chemicals, and related raw materials. The supplier reports export activity since 2012, with exports representing 71%–90% of total sales, and accepts several payment methods. Production-related information includes eight production lines, 41–50 R&D engineers, and 41–50 quality-control staff. A broad list of management-system certifications is presented, but the slices do not provide certificate numbers, validity dates, issuing bodies, or product-specific certification evidence. The supplier describes biotechnology-based amino-acid production and serves pharmaceutical, nutrition, agriculture, food, and feed sectors. Specific product records for L-Lysine HCL include packaging, batch numbers, manufacturing dates, and expiry dates. Evidence is insufficient to...

Supplier typeThe supplier is described as a Manufacturer/Factory and a limited company, with its address in Qingdao, Shandong, China. Its stated business covers chemicals, amino acids, food additives, feed additives, pharmaceutical intermediates, vitamins, and related raw materials, although another slice labels the company nature as a trading company.

CertificationsThe supplier lists multiple certifications and management systems, including ISO 9001, ISO 14001, GMP, BSCI, OHSAS/OHSMS 18001, and others. However, the provided information does not include certificate identifiers, validity periods, issuing organizations, or verification details.

R&D capabilityThe supplier reports 41–50 R&D engineers and describes using biotechnological processes for amino-acid production, with innovation and amino-acid research presented as central activities. Its stated product scope also includes active pharmaceutical ingredients, vitamins, extracts, additives, and nutritional raw materials, supporting an indicated R&D focus but not independently verified innovation outcomes.

Production capacityThe supplier reports eight production lines, 41–50 quality-control staff, and a factory location in Qingdao, Shandong. Multiple L-Lysine HCL records contain batch numbers, 25 kg packaging, manufacturing dates, and expiry dates, providing direct evidence of documented product production and batch handling.