L-Cystine 1-cystine L-CYSTINE
L-Cystine Chemical Properties |
Melting point | >240 °C (dec.) (lit.) |
Boiling point | 468.2±45.0 °C(Predicted) |
alpha | -224 º(c=2 in 1M HCl) |
density | 1.68 |
bulk density | 300kg/m3 |
refractive index | -222.5 ° (C=1, 1mol/L HCl) |
storage temp. | 2-8°C |
solubility | 1 M HCl: 100 mg/mL |
form | Powder/Solid |
pka | 1.0, 2.1, 8.02, 8.71(at 25℃) |
color | White |
PH | 4.60 |
biological source | plant |
optical activity | [α]20/D 219±5°, c = 1% in 1 M HCl |
Water Solubility | 0.112 g/L (25 ºC) |
Merck | 14,2782 |
BRN | 1728094 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
InChIKey | LEVWYRKDKASIDU-IMJSIDKUSA-N |
LogP | 0.773 (est) |
CAS DataBase Reference | 56-89-3(CAS DataBase Reference) |
NIST Chemistry Reference | L-Cystine(56-89-3) |
EPA Substance Registry System | L-Cystine (56-89-3) |
Safety Information |
Hazard Codes | Xi,Xn |
Risk Statements | 36/37/38-22 |
Safety Statements | 26-36-24/25 |
RIDADR | 2811 |
WGK Germany | 3 |
RTECS | HA2690000 |
Hazard Note | Irritant |
TSCA | Yes |
PackingGroup | III |
HS Code | 29309014 |
Baiding specialized in the chemical product customization,development, sales, import and export. Current business is focused on finechemicals, pharmaceutical materials and intermediates, pesticides, dyes andbiochemical reagents.
Since establishment, we believe in"integrity-based, quality-oriented" to provide customers withexcellent products and quality services. Cooperating with universities, we havea high-level scientific research team; equipped with a professional andresponsible service sales team ; and established stable and reliable long-termcooperative relations with hundreds of domestic chemical factories. Throughunremitting efforts, our products have exported to North America, Europe,Southeast Asia, etc., and have established long-term business relationship withcustomers all over the world.
Our company is willing to work withour customers to create a better future!
Factory
Certificate
Package and shipping
FAQ
FAQ
Q1: Are you a factory or trading company?
A: We are a professional factory, warm welcome to have a video chat to have a look or visit us.
Q2: Can I get some samples? A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q3: How to start orders or make payments? A: The Proforma invoice will be sent first after confirmation of the order, enclosed is our bank information. Payment by T/T, , or Paypal.
Q4: How to confirm the product quality before placing orders?
A: You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.
Q5: What's your MOQ?
A: Our MOQ is 1kg. But usually, we accept fewer quantities such as 100g on the condition that the sample charge is 100% paid.
Q6: How about delivery lead time?
A: Delivery lead time: About 3-5 days after payment is confirmed. (Chinese holiday not included)
Q7: Is there a discount?
A: Different quantity has different discount.
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View