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5743-28-2

Product name: Calciumascorbatedihydrate

CAS：5743-28-2

MF：C6H12CaO7

MW：236.23

EINECS:611-529-7

Product Description

Product name: Calciumascorbatedihydrate

CAS：5743-28-2

MF：C6H12CaO7

MW：236.23

EINECS:611-529-7

Use：

1. Used as antioxidant, nutritional supplement, and color protectant.

Specifications :

Test Items Test Parameters

Test Results

Appearance White to slightly yellow

crystalline powder

Identification Positive

Assay(as C 12 H 14 CaO 12 ·2H 2 O) ≥98.0%

（on the as is basis）

Specific optical rotation +95°~+97°

pH(10%,W/V) 6.8-7.4

Loss on drying ≤0.1%

Arsenic（as As） ≤0.0003%

Fluoride ≤0.001%

Heavy metals(as Pb) ≤0.001%

Mercury ≤0.0001%

Lead ≤0.0002%

Oxalate Pass

White crystalline powder

Positive

99.7%

+95.86°

7.26

0.04%

＜0.0003%

＜0.001%

＜0.0001%

＜0.0002%

Pass

谷歌-公司信息

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.