Country:
China (Mainland)
Business Type:Trading Company
Tel: 13156235996
Fax:
URL: http://www.eastchem-cn.com
Province/state: Shangdong
City: Qingdao
Street: No.1581-12,Jinshui Road, Licang, Qingdao,China
Contact SuppliersCAS NO.133-37-9
CAS NO.133-37-9
FOB price
CAS No.: 133-37-9
EC No.: 205-105-7
Chemical Formula: C4?H6?O6?
Molecular Weight: 150.09 g/mol
| Property | Specification |
|---|---|
| Melting Point | 206 °C (decomposes slightly) |
| Solubility | Soluble in water (20.6 g/100 mL at 20 °C); soluble in ethanol; slightly soluble in ether |
| Specific Rotation | [α]D20?=0° (10% aqueous solution, no optical activity) |
| Density | 1.697 g/cm³ (20 °C) |
| pH Value | 2.0–2.5 (5% aqueous solution) |
| Moisture Content | ≤ 0.5% |
| Assay (Dry Basis) | ≥ 99.5% |
| Sulfate (as SO4?) | ≤ 0.01% |
| Heavy Metals (as Pb) | ≤ 0.001% |
| Residue on Ignition | ≤ 0.05% |
Complies with international standards such as FCC (Food Chemicals Codex), EP (European Pharmacopoeia) and GB (National Standard of China) for food, industrial and pharmaceutical grades.

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Founded in 2008, we are a fully integrated enterprise specializing in the research, development and manufacturing of chemical products. Over the past 15 years+, leveraging continuous technological innovation and strategic talent acquisition, we have experienced robust growth and emerged as a modern, internationalized and diversified chemical conglomerate. Presently, our product portfolio spans four core categories – food additives, pharmaceutical raw materials, specialty chemicals and personal care ingredients – with a global footprint covering more than 80 countries and regions worldwide.
Since inception, we have steadfastly upheld our corporate tenet: "Integrity First, Quality Paramount". We are dedicated to fostering a customer-centric service philosophy, anchored in meeting client requirements, driving customer value creation and fulfilling client objectives. Guided by a forward-looking perspective and collaborative mindset, we strive to deliver sound financial returns, optimize market operations and build a distinguished, industry-leading brand.
Regardless of your project scale or scope of service requirements – spanning a single business segment, multiple domains or our full suite of capabilities – our unwavering commitment to delivering premium-quality outcomes remains consistent. We eagerly anticipate forging mutually beneficial partnerships with you
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