Coulometric Karl Fischer Reagents

We are Concord Technology Co.,ltd that is leading Chinese manufacturer of high purity chemical reagents with ISO9001 Certificated. We have 26 years production experience on HPLC solvents and Karl Fischer reagents, we can supply high quality products with competitive price.

Who we are
We are Concord Technology (Tianjin) Co.,ltd, a manufacturer which specialized in the R&D and production of high purity chemical reagents and pharmaceutical intermediates. The main products include LC-MC grade solvents, HPLC reagents (GG grade,PA grade and PREP grade), Karl Fischer reagents, Anhydrous solvents, high purity solvents, gas chromatography standards etc.
Our production base was covered an area of 25000 square meters, with 6 production lines. The annual output of HPLC reagents is more than 6000tons.

Sodium Diacetate, E262,CAS no.126-96-5, Sodium Diacetate is a white crystalline powder with an acetic acid odor. Functions: Inhibits growth of micro-organisms; Aroma/flavour enhancing; pH control agent. As a buffering agent, sodium diacetate is used in meat products to control their acidity. As a food preservative, sodium diacetate used to inhibit the growth of various microorganisms in meat products, thus it can be used as a preservative and safeguard for food safety and shelf life extension.

As an experienced Sodium Diacetate manufacturer and supplier, we has been supplying and exporting Sodium Diacetate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Sodium Diacetate powder Specification
Item Specification
Appearance White, hygroscopic crystalline solid with an acetic odour
Free Acetic Acid (%) 39.0- 41.0
Sodium Acetate (%) 58.0- 60.0
Moisture (Karl Fischer method, %) 2.0 Max
pH (10% Solution) 4.5- 5.0
Formic acid, formates andother oxidizable (as formic acid) 1000 mg/ kg
Particle Size Min 80% Pass 60 mesh
Arsenic (As) 3 mg/ kg
Lead (Pb) 5 mg/ kg
Mercury (Hg) 1 mg/ kg
Heavy Metal (as Pb) 0.001% Max

Chemicals and Laboratory Reagents include a portfolio of various LR, AR, ACS Grade Reagents, High Purity Acids and Solvents, Buffer Tablets, pH Indicator Solutions, Indicator Papers, Metals and Metallic compounds, Karl Fischer Reagents, Biological Stains, Ion Pairing Reagents.

No. PARAMETER METHOD SPECIFICATION
1 APPEARANCE VISUAL BROWNISH YELLOW VISCOUS LIQUID
2 GLYCERIN, %wt. AOCS-Ea. 6-94 80 Min
3 MOISTURE, % wt. Karl Fischer 15 Max
4 ASH,% wt. ASTM D 874 7 Max
5 METHANOL,% wt. - 1.5 Max
6 NACL,% wt. - 8 Max
7 MONG, % wt. In-house 4 Max

Origin: Southeast Asia

Analysis Contents Specification Analysis Result
Assay by HPLC 5 % min 5.37 %
Appearance Dark red viscous oleoresin complies
Moisture 5% max (Karl Fischer) complies
solubility Lipid soluble complies
Stability In its original packing this product will keep its properties for at least 36 months at 4 degree or below.
Ingredients Natural Astaxanthin extracted from Haematococcus pluvialis by Supercritical CO2.Extraction or Food grade ethanol extraction.
Ash 1max 0.86
Pb mg/kg 2max 1.28
As mg/kg 0.5max 0.41
Hg mg/kg 0.01max 0.087
Heavy Metals PPM 10ppm as Lead(USP method) max 7ppm
Microbiology
Total Plate Count :
Yeast & Mold :
E.Coli :
S. Aureus :
Salmonella : 1000cfu/g max
100cfu/g max
Negative
Negative
Negative
126 cfu/g
21 cfu/g
Complies
Complies
Complies
Conclusion Conform with specification USP32.

Dmdee (2, 2'-dimorpholinodiethylether)
Technical data sheet
2, 2-dimorpholinodiethylether (dmdee)

Formula C12h24n2o3
Molecular weight 244.3
Product id Cy-204
Cas registry number 6425-39-4
Assay (g.C.) 99% min.
Water content (karl fischer) 0.1% max.
Flash point 146Melting point -28Boiling point 309Density 1.06/ cm3
Description Dmdee is a colorless to yellowish liquid, with an amine-like odor. It is also miscible with water.
Outer packing 210kg / iron drum
Safety Dmdee is irritating to skin, eyes and respiratory system. Please refer to the material safety data sheet (msds) for detailed information on safety.
Storage & handling Dmdee has a shelf life of 24 months in unopened, original containers and kept at 20¿¼c. Ensure thorough ventilation of stores and work areas. It must be protected from moisture, fire, and explosion; prevent electrostatic charge, sources of ignition should be kept well clear, as well as acids and acid forming substances. Fire extinguishers should be kept handy. It is not spontaneously flammable in air. However, it is flammable and corrosive. Please refer to the material safety data sheet (msds) for detailed information on handling and disposal.
Applications Catalyst particularly suitable for one component polyurethane rigid foam sealant systems.
Important While the descriptions, designs, data and information contained herein are presented in good faith and believed to be accurate, it is provided for your guidance only. Because many factors may affect processing or application/use, we recommend that you make tests to determine the suitability of a product for your particular purpose prior to use. Further, you expressly understand and agree that the description, design, data and information furnished by fctl hereunder are given gratis and fctl assumes no obligation or liability for the description, designs, data and information given and accepted at your risk.

Ibc drums

Palm Oil-Based Crude Glycerin with 80-85% Glycerol Min., is a dark brown liquid, derived from trans-esterification of virgin crude palm oil (Elaeis guineensis).

It is 100% vegetable oil-based and halal-certified.

Crude Glycerin 80-85% can be refined to technical grade Glycerin (95 â?? 97% of Glycerol) as well as United State Pharmaceutical/ British Pharmaceutical (USP/ BP) Grade Glycerin (99.5%).



Specification:


Parameter

Specifications

Typical, (w/w, %)

Glycerol Content

80.0 Min.

87.3

Water (Karl Fischer Method)

5 % Max

3.0

Ash Content

10 % Max

7.0

Methanol

1 % max

0.2

Matter of Non-Glycerol

5 % Max

3.0