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High Purity EDTA Crystal for Laboratory Complexometric Titration Low Heavy Metals
US$1,100.00-1,500.00
5 Tons

Product specifications

EDTA Acid

EDTA 2na

EDTA 4na

Sample price:US$2.00/kg.Request sample

Product profile

Customization

Available

CAS No.

64-02-8

Formula

C10h12n2o8na4

Model NO.

EDTA

EINECS

200-573-9

Appearance

Powder

Usage

Water Treatment Chemicals, Textile Auxiliary Agents, Paper Chemicals, Leather Auxiliary Agents

Color

White

Purity

99%

Grade

Agriculture Grade, Industrial Grade

Application

Daily Industry, Paper Making

Storage

Cool Dry Place

Shelf Life

12 Months

Transport Package

25 Kg/Bag

Specification

99%

Trademark

WENXU

Origin

Hebei, China

HS Code

2922499990

Production Capacity

10000tons Per Year

Key features

High Purity Grade: Purity reaches 99% with low heavy metal content (Pb max 10ppm, Fe max 10ppm).
Versatile Applications: Suitable for water treatment, textile dyeing, paper making, medicine, and daily chemicals.
Multiple Grade Options: Available in Industrial, Food, Medicine, Agriculture, and Electron grades.
Fast Delivery: Lead time within 15 workdays for both peak and off-peak seasons.
Stable Storage: Shelf life of 12 months when stored in a cool, dry place.
Strong Chelating Ability: Chelating value is 339 mg(CaCO3)/g min, effective for metal masking.
Flexible Payment Terms: Accepts LC, T/T, Western Union, and small-amount payments.
Global Shipping Options: Available via FOB, EXW, CFR, CIF, CPT from Qingdao, Shanghai, or Ningbo.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤6.36hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryYantai Wenxu is identified as a China-based manufacturer/factory established in 2003, with chemical production, research and development, and sales integrated within the business. Its stated product portfolio includes aluminum sulfate, alum, polyaluminium chloride, calcium hydroxide, water-treatment chemicals, and related products. Evidence indicates substantial production capacity, including stated annual output of 150,000 tons overall, 30,000 tons for aluminum sulfate-series products, and 20,000 tons each for polyaluminium chloride and calcium hydroxide. The supplier reports multiple ISO-related certifications, GMP, and environmental-management credentials, as well as relevant production and hygiene-license approvals. It has exported since 2015 and reports that exports account for 51%–70% of sales. Innovation and sustainability activities are described, but evidence for after-sales service, customization, financial credibility, and specific customer cases is insufficient.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is described as an integrated chemical enterprise covering production, research and development, and sales. Its stated founding year is 2003, supporting an established operating history.
CertificationsThe supplier reports ISO 9000, ISO 14001, ISO 9001, ISO 14000, GMP, and ISO 14064 certifications, plus ISO 9000:2008 quality-management certification, a national industrial product production license, and a Shandong drinking-water sanitation safety product hygiene approval. These are explicit indicators of quality, environmental, manufacturing, and product-compliance systems.
R&D capabilityThe supplier describes technology development, innovative solutions, research and development integration, green-chemistry efforts, and sustainability-oriented environmental and safety management. It also reports 11–20 years of total R&D-engineer experience, providing explicit support for innovation capability, although no quantified R&D investment or independently verified innovation results are provided.
Production capacityThe supplier offers a broad chemical product range and reports annual output of 150,000 tons overall, including 30,000 tons for aluminum sulfate-series products and 20,000 tons each for polyaluminium chloride and calcium hydroxide. It also reports 6–10 quality-control staff and factory facilities in Yantai, supporting substantial production and quality-control capacity.

Product Q&A

Q:What is the purity level of this EDTA crystal?
A:
The product has a high purity of 99% with strict limits on heavy metals like Lead (max 10ppm) and Iron (max 10ppm).
Q:In which industries can this EDTA-4Na be used?
A:
It is widely used in water treatment, textile dyeing, paper making, medicine, daily chemical industry, and agriculture.
Q:What are the available grades for this product?
A:
We offer Industrial Grade, Food Grade, Medicine Grade, Agriculture Grade, and Electron Grade options.
Q:How long is the shelf life and how should it be stored?
A:
The shelf life is 12 months. It must be stored in a cool, dry place to maintain quality.
Q:What is the lead time for delivery?
A:
The average lead time is within 15 workdays, regardless of whether it is peak season or off-season.

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