Cysteine 3374-22-9
2 Inquiries
3374-22-9
99.5%
shanghai
Cysteine
5kg 10kg 20kg 25kg
2025-10-12
chemical
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Cysteine
Other Name:Cysteine;Cysteine,DL-;DL-Cysteine;(±)-Cysteine;NSC 63864;(±)-2-Amino-3-mercaptopropionic acid;2-Amino-3-sulfanylpropanoic acid
CAS No.:3374-22-9
Molecular Formula:C3H7NO2S
InChIKeys:InChIKey=XUJNEKJLAYXESH-UHFFFAOYSA-N
Molecular Weight:121.16
Exact Mass:121.16
EC Number:222-160-2
NSC Number:647530|63864
DSSTox ID:DTXSID5046988
HScode:29309013
Categories:
Characteristics-
PSA:
64.3
XLogP3:-2.5
Appearance:White to off-white Powder
Density:1.3±0.1 g/cm3
Melting Point:222-225 °C
Boiling Point:293.9°C at 760 mmHg
Flash Point:131.5±25.9 °C
Refractive Index:1.550
Water Solubility:soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone.
Storage Conditions:Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Air sensitive. Storage class (TRGS 510): Non Combustible Solids.
Vapor Pressure:6.73X10-7 mm Hg at 25 deg C (est)
Specific rotation:Specific optical rotation: +6.5 deg at 25 °C/D (5 N HCl); +13.0 deg at 25 °C/D (glacial acetic acid)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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
Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Air sensitive. Storage class (TRGS 510): Non Combustible Solids.
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Seller Information
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Business Type:
Trader
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Main Products:
chemical
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Location:
Room 237, Office Building, Shangma Yirui Industrial Park, 500 meters east of the intersection of Hedong Road and Longfei Road, Shangma Street, Chengyang District, Qingdao City, Shandong Province
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Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
2
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
5-10
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Year of Establishment:
2023
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
Netherlands
Cysteine
1 MT Sep 12, 2025
Netherlands
Cysteine
1 MT Sep 15, 2025 Post an enquiry for this product
