N/A |
Packing | |
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Storage | Powder -20°C 3 years 4°C 2 years;In solvent -80°C 6 months, -20°C 1 month |
Shipping | Room temperature in continental US; may vary elsewhere |
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Email: info@alchemist-chem.com
Common Names | L-Threonine | ||
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Structure | ![]() |
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CAS No. | 72-19-5 | Boiling Point (℃) | 345.8±32.0 °C at 760 mmHg |
Molecular Weight | 119.119 | Melting Point (℃) | 255ºC |
Density | 1.3±0.1 g/cm3 | Vapor Specific Gravity | N/A |
Molecular Formula | C4H9NO3 | Flash Point (℃) | 162.9±25.1 °C |
Solubility | N/A | Autoignition Temperature (℃) | N/A |
Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter | ||
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Hazard Codes | T+:Very toxic | ||
Safety Phrases | S1-S28-S45 | ||
RIDADR | NONH for all modes of transport | ||
WGK Germany | 3 | ||
SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention. |
Description | L-Threonine is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed[1]. | ||
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Target | Km: 100-400 μM (amino acid transporter b0,+)[1] | ||
In Vitro | DL-Lysine (Lys) is a high affinity, basic amino acid substrate for amino acid transporter b0,+ with Km value ranging from 100-400 μM[1]. | ||
References | [1]. Zhao H, et al. Increasing L-threonine production in Escherichia coli by engineering the glyoxylate shunt and the L-threonine biosynthesis pathway. Appl Microbiol Biotechnol. 2018 Jul;102(13):5505-5518. |