Factory wholesale Wholesales Dimethyl Oxalate 553-90-2 - Malonic acid 141-82-2 – Starsky
Factory wholesale Wholesales Dimethyl Oxalate 553-90-2 - Malonic acid 141-82-2 – Starsky Detail:
Description
Product name:Malonic acid
CAS:141-82-2
MF:C3H4O4
MW:104.06
Density:1.619 g/cm3
Melting point:132-134°C
Package:1 kg/bag, 25 kg/bag, 25 kg/drum
Specification
| Items | Specifications |
| Appearance | White crystal |
| Purity | ≥99.5% |
| Water | ≤0.5% |
| Cl | ≤0.02% |
| SO4 | ≤0.1% |
Application
1.In the pharmaceutical industry, it is used to produce lumina, barbital, vitamin B1, vitamin B2, vitamin B6, phenylbutazone, amino acids, etc.
2.It is the intermediate of fungicide Isoprothiolane and plant growth regulator indomethacin.
3.It is used for perfume, adhesive, resin additive, electroplate polishing agent and welding flux additive.
Property
It is soluble in water, soluble in ethanol and ether and pyridine.
Storage
Stored at a dry, shady, ventilated place.
Stability
1. Stable under normal temperature and pressure.
Incompatible materials: alkali, oxidizing agent, reducing agent.
2. Low toxicity. It has a stimulating effect on the skin and mucous membranes, but it is not as serious as oxalic acid. The oral LD50 for mice is 1.54g/kg. Special protection is generally not needed when producing malonic acid, but cyanoacetic acid and sodium cyanide are both potent poisons, so you must be especially careful when handling compounds containing cyano groups, wear anti-virus equipment, and develop corresponding safety measures.
3. Exist in flue-cured tobacco leaves, burley tobacco leaves and mainstream smoke.
4. It can be sublimated in a vacuum.
Product detail pictures:
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