3-thiophenemalonic acid(Cas no:21080-92-2)

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0 Metric Ton	Negotiable

0 Metric Ton

Negotiable

Min.Order :0 Metric Ton
Purity: 99

Keywords

3-Thiophenemalonic acid 21080-92-2 C7H4O4S

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CAS RN.:21080-92-2
Molecular Formula:C7H6O4S
Molecular Weight:186.2

Use:Mainly used as intermediate for ticarcillin.
Quality Specifications:

Appearance	white or similar to white crystalline powder	Drying loss	≤1.0%
M.P.	125℃-140℃	Heavy metal	≤0.002%
Residue on Ignition	≤0.5%	Assay (titration method)	98.0-102.0%
Arsenic salt	≤0.0002%	Thiopheneacetic acid (HPLC)	≤1.0%
Assay (HPLC)	≤98.5%	Other impurities (HPLC)	≤0.5%

Packing: Since this product is sensitive to light and oxygen, vacuum packing is employed, outer packing: cardboard drum.
Storage: Below 35℃ in dry and draughty warehouse, protect from light.

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