EC21 Product Catalogs - assay 99.5

CAS108-19-0 Biuret

20260527

Items Standard Appearance white crystalline powder Assay ≥ 99.5% Melting point ≥ 187 ℃ Water solubility test Passed Methanol Dissolution Test Passed Residue on ignition (as sulfate)

Trifluoroacetic Acid

20260525

Product Description Items Technical index Product name Trifluoromethanesulfonic acid Synonym Triflic acid CAS NO 1493-13-6 Appearance Colorless or light yellow liquid Assay (Titration ) 99.5% min Flu

Melamine Cyanurate (MCA)

20250220

Assay % .......................................................99.5 min. Whiteness .....................................................96 min. Excess Cyanuric Acid % ................................

Potassium Nitrate

20250213

Assay : 99.4% Min / 99.5% Moisture : 0.1% Max / 0.05% Water Insolubles : 0.02% Max / 0.01% Sulphate : 0.02% Max / 0.016% Chloride : 0.03% Max / 0.012% Iron : 0.01% Max / 0.008% - Transportation Pack

Sodium Saccharin

20241010

Assay 99.5% Min Mesh size 8-16, 20-40, 40-80 Mesh Packaging 25KG/Bag or Drum Sodium Saccharin KEY PROPERTIES High Sweetness It provides intense sweetness, requiring only a small amount to achieve the

China Bulk Price High Quality Polar Bear Vanillin 500g/Tin

20240703

ANALYSIS ITEM SPECIFICATION ANALYSIS RESULT Appearance White to pale yellow crystal like ,or powder Conformity Odor Has a sweet ,milk and vanilla aroma Conformity Assay % ≥99.5 99.92 Melting ran

Erythritol, Zero Sugar

20240530

Assay. Items Specification Test Result Appearance White crystalline powder or granular White crystalline granular Assy(on dry basis),w/% 99.5 ~100.5 99.75 PH value Between 5 and 7 5.59 Loss on

Citric Acid Anhydrous Food Grade.

20240520

Assay % 99.5-100.5 99.5-100.5 99.5-100.5 99.5-100.5 99.5-100.5 Water % ≤1.0 ≤1.0 ≤0.5 ≤0.2 ≤0.5 Light Transmittance % / / / / ≥96.0 Calcium ppm / / / ≤75 ≤200 Iron ppm / /

Citric Acid Monohydrate E330

20240326

Assay , % 99.5~100.5 Water , % 7.5~8.8 Readily Carbonisable Substances Pass Test Sulphated Ash (Residue on Ignition) , % ≤0.05 Sulfate , mg/kg ≤150 Oxalate , mg/kg ≤100 Lead , mg/kg

4-METHOXYPHENOL (MEHQ) Monomethyl Ether

20231221

Assay ≥99.5% 99.84% Melting point 54.0~56.5℃ 55.2~55.8 Hydroquinone ≤0.01% ≤0.01% Loss on drying ≤0.3% 0.22% Residue after ignition(%) ≤0.01% 0.006% Heavy metals(%) ≤0.001% 0.0008% Colo

NH4CL Industry Grade Ammonium Chloride 99.5

20210906

99.5Moisture % ≤0.40.2Residue on Ignition % ≤0.50.3Heavy Metal (Pb) % ≤0.00050.0005Sulphate % ≤0.02--Fe % ≤0.0010.0005PH 200g/l 25 ℃4.0-5.85.57ITEM GB 1888-2008 RESULT Assay: 99.2%-101.0%

Hot Sale Sodium Nitrate From China

20231031

99.5 99.3 95.5 Moisture: % ≤ 1.2 1.4 2.0 Chlorides (Nacl) Assay (dry basis):% ≤ 0.15 0.24 - Nsol. in water : % ≤ 0.015 0.02 - Sodium nitrite (dry basis): % ≤ 0.01 0.02 0.15

Phenoxyethanol

20200525

Assay % ≥99% ≥99.5% Phenol ppm / ≤25% PH / 5.0-7.0 5.5-7.0 color APHA ≤100 ≤30 Molecular Weight / 138.17 138.17 Density / 1.1050-1.1250 1.1050-1.1250 Boiling point ℃ 244.7 244.7 PH value

Citric Acid Mono/Anhy

20110518

1. Citric Acid Monohydrate Formula: C6H8O7.H2O M. W.: 210 Specification: Appearance: Colourless translucent crystals or white granular particles. Assay: 99.5-101.0 % Sulfated Ash: 0.1 % max Chlor

1H-tetrazole

20061031

1H-tetrazole CAS No.288-94-8 Appearance: A white sandiness crystals Assay:99.5%min Melting Point: 155-157degree C Loss on drying: 0.5%max moisture:0.1%max Clarity: A 3%W/V solution(0.3g-->10ml) in ac

Chromic Acid

20071019

Assay(CrO3) 99.7%min 99.5%min Water insoluble matter 0.02%max 0.05%max Sulfate 0.06%max 0.15%max Sodium (Na) 0.05%max [Packing]:In new black iron drum and inner plastic bag,50 kg net.

Trimethyl PHOSPHATE99.5%

20120226

Product name: Trimethyl phosphate(TMP) Molecular formula: C3H9O4P CAS NO.： 512-56-1 Molecular weight: 140.07 Physical and chemical characters: Assay(G.C):>99.5% Moisture:<0.1 Color(APHA):<10 Water-

Sodium Azide

20160203

Appearance: white powder assay:≥99.5%; sodium hydroxide:≤0.1%; loss on drying: ≤0.3%; heavy metals: ≤0.01%; water insoluble: ≤0.05%; nitrate: ≤0.05%; chloride: ≤0.05%; sulfate:

Imidazole

20130703

APPERANCE： WHITE CRYSTAL POWDER ASSAY CONTENT ：99.5%(MIN) WATER： 0.2%(MAX) MELT POINT ： 90-91°C Sulphated ash ： 0.02%（MAX） PH ： 8.5

Sodium Acetate

20120802

Pharmaceutical crystal Sodium acetate3 Assay(CH3COONa.3H2O)% :99.5 MIN. Pharmaceutical anhydrous Sodium acetate Assay% :99 min. Edible crystal Sodium acetate Assay% :99-101 Edible anhydrous Sodium ac

Food Additive Sweetener Erythritol Powder

20230601

Assay (drybasis) ,%99.5~100.5Loss on drying %≤0.2PH5.0-7.0Ash %≤0.1Reducing sugars %≤0.3Ribitol and glycerol,%≤0.1Pb/(mg/kg)≤0.5As/(mg/kg)≤0.3Mold and yeast/(cfu/g)≤50Total plate count/

Refined Glycerine 99.5%

20150203

Specifications refined glycerine 1.Purity: 99.5% 2.Refined and crude 3.High quality&competitive price Technical Grade competitive Price 99.5% USP Refined Glycerine/glycerol For Sale 1) Industria

Cas No 110-17-8 Fumaric Acid

20170516

Assay(asC4H4O4 ) 99.5%-100.5%(anhydrous basis) Melting Point 286ÃÂÂºC-302ÃÂÂºC Arsenic(as As)ÃÂÂ 3mg/kgÃÂ&Acir

Refined Glycerine

20170821

Assay ≥ 99.5 % ≥ 98.5 % ≥ 98 % ≥ 95 % Density (20°C ) ≥1.2598 g/ml ≥ 1.2572g/ml ≥ 1.2559g/ml ≥1.2481 g/ml Chloride ≤ 0.001% ≤ 0.001% ≤ 0.01% ≤0.05 % Sulfating

Fire Assay Flux Litharge

20230329

assay flux are less than 1-1.5ppb in the litharge component of the flux, making it ideal for low level assay work. Item Value Actual PbO% Content of lead monoxide ≥99.5 99.92 Pb% Content of lead me

DL-Tartaric Acid

20110402

DL-Tartaric acid CAS No.: 133-37-9 Molecular formula: C4H6O6 Molecular weight : 150.09 Standard: FCCIV JSFA Appearance : Colorless crystals or white power Assay (As C4H6O6) :99.5% Min Sulfate ( As SO

Phosphorus Pentoxide

20110622

Assay ≥ 99% ≥ 99.5% ≥ 99.5% Live R 1.2 1.7 2.0 Reduced (P2O3) ≤ 0.02 ≤ 0.01 ≤ 0.005 Learity test Qualified Qualified Qualified Water insoluble matter ≤ 0.02 ≤ 0.01 ≤ 0.01 T

D-xylose

20090714

Assay % 98.0-101.0 98.0-102.0 >99.0 ≥99.5 Loss on Drying % ≤1.0 ≤0.1 ≤0.5 ≤0.5 ≤0.2 Residue on Ignition % ≤0.05 ≤0.05 ≤0.10 ≤0.05 ≤0.02 Specific Optical Rotation - +1

Erythritol

20170828

Assay Min 99.5% Melting point 119℃ Residue on Ignition Max 0.10% Loss on drying Max 0.20% Heavy metal Max 0.5ppm As Max 1.5ppm Bacterium total Max 300 cfu/g E.coli Not detective Conclusion The prod

Methylene Diphenyl Diisocyanate (MDI)

20160310

Assay ≥99.5% Appearance Brown Liquid Viscosity(25°C) mpa.s 150~250 -NCO(%Wt) 30.5~32.0 Acid value(% as HCL) ≤0.05% hydrolyzable chlorine ≤0.2% Application: MDI is widely used in the pr

Magnesium Sulphate Hept

20211018

Production Description: Production Specification: Assay:99.5%min,MgSo4:48.59%min,MgO:16.24%min,Mg:9.8%min,Ph:5-9,Fe:0.0015%max,Cl:0.015%max,Pb:0.0008%max,As:0.0005%max,water insoluble:0.01%, size:0.

Citric Acid Monohydrate/Anhydrous

20171016

Assay % 99.5-100.5 Sulphate PPM ≤150 Oxalate PPM ≤100 Chloride PPM ≤50 Heavy Metal( as Pb) PPM ≤5 Calcium PPM ≤75 Iron PPM ≤5 Sulphated Ash % ≤0.05 Moisture % ≤0.5 Readily C

Sodium Salicylate Pharm

20170119

0.1N Iodine Solution. Loss on drying 0.5% (max) when dried at 105°C. Assay 99.0% to101% I.P/B.P., 99.5% to 100.5% U.S.P of C7H5O3Na calculated with reference to substance dried at 105°C.

TRANS-1,2-Dichloroethylene

20231218

Assay （GC） ≥99.5% ≥95.0% Cis isomer ≤0.3% ≤5.0% Water (Karl-Fisher) ≤0.02% ≤0.02% Refractive index （n20/D） 1.4445~1.4465 1.4445~1.4465 Specific gravity（20/20℃） 1.2520~1.2600

Calcium Carbonate

20230626

Assay ( Ca(OH)2) 99.5% Magnesium and Alkali Salts 0.8% Acid-Insoluble Substances 0.09% Arsenic( As) < 3mg/kg Fluoride(F) <50mg/kg Lead(Pb) < 3mg/kg Loss on Drying 0.1% Barium(Ba) <300mg/kg Dissociate

Vinyl Acetate (Monomer) 99.5%

20180105

Product Name:Vam(Vinyl Acetate Monomer) Cas No.: 108-05-04 Product Name Vinyl Acetate Monomer Other name Ethenyl Ethanoate, Ethenyl acetate, Acetic acid vinyl ester,VAM CAS No 108-05-4 Purity 99.5%

Citric Acid

20170330

Assay 99.5 – 101.0 % Water 7.5 – 9.0 % Heavy Metals as Pb Not more than 5 ppm Oxalate Not more than 350 ppm Aluminium Not more than 0.2 ppm Iron Not more than 50 ppm Arsenic Not mor

Dimethyl Sulfate(DMS)

20200331

of processes including the production of many household and commercial chemicals due to its low cost and high reactivity. Color Colorless, Oily Liquid Assay % 99.5 Free Acidity as H2SO4 % 0.2

High Quality Crude and Refined Glycerine 99.5%Min Glycerol

20180622

Assay ≥ % 99.5 98.5 98 95 Density (20°C ≥ g/ml) 1.2598 1.2572 1.2559 1.2481 Chloride Assay (as Cl,≤ %) 0.001 0.001 0.01 0.05 Sulfating Ash ( ≤%) 0.01 0.01 0.01 0.01 Acidity or Alkal

Allyl Glycidyl Ether (AGE)

20181220

transparent liquid Assay ≥99.5% Specific gravity 0.95(25℃) Refractive index 1.44-1.46(25℃) Color (APHA) 50 max. Moisture(ppm) ≤0.01% Chloride(ppm) ≤0.2%

High Quality L-Arginine HCI As Medicine Grade Chemical

20140519

Assay, % 98.5~101.5 99.5 Loss on drying, % ≤0.2 0.18 Heavy metals（as Pb）, % ≤0.002 ＜0.001 Residue on ignition, % ≤0.10 0.08 Sulfate(as SO4),% ≤0.03 ＜0.01 Chloride,% 16.5~17.

Citric Acid Monohydrate

20180808

Assay 99.5-101.0% Water 7.5-9.0% Sulphate 150 ppm max Oxalate 100 ppm max Calcium 200 ppm max Iron 50 ppm max Chloride 50 ppm max Sulphated ash 0.1% max Heavy metal(as Pb) 5 ppm max Arsenic (As) 1 pp

Diallyl Phthalate (DAP)

20181221

Assay:≥99.5% Moisture:≤0.1% Boiling Point:157-165°C Density (20°C):1.120±0.003 Viscocity (20°C, Mpa.s):12-14 Flash Point (open cup):163°C Freezing Point:-70°C

Dextrose Monohydrate

20170821

Assay ≥99.5% Total Bacteria Count ≤1000pcs/g Molds and Yeasts ≤100pcs/g Escherichia Coli Negative Allergenics: The product contains none of the ingredients of the list of allergenics of

Crude Glycerine 80%

20140612

99.5 Appearance: liquid Application: For USP and food , Cosmetics Brand Name: Allis Model Number: Crude Glycerine 80% Commodity Name: Crude Glycerine 80% Assay, %: 99.5 (Min) Color (APHA): 10

Crude Glycerine 80%

20150203

Assay, % 99.5 (Min) USP25 Color (APHA) 10 (Max AOCS Ea 9-65 Ash Content, % 0.01 (Max) AOCS Ea 2-38 Moisture, % 0.5 (Max) AOCS Ea 8-58 Specific Gravity @ 25°C 1.2490 (min) AOCS Ea 7-50 Refractive

Ethylhexyl Mercaptoacetate CAS 7659-86-1

20210605

Assay% 99.0~99.5% molecular formula C10H20O2S molecular weight 204.33 boiling point 255-260 °C melting point 120-122 °C density 0.972 g/mL at 20 °C 2-Ethylhexyl mercaptoacetate Usage： Used as a

Citric Acid

20180223

ASSAY 99.5-101.0% 99.98% READILY CARBONSABLESUBSTANCES NOT DEEPER THAN STANDARD NOT DEEPER THAN STANDARD SULPHATES ≤150PPM ≤150PPM SULPHATER ASH ≤0.1% 0.02% WATER 7.5-9.0% 8.73% OXALIC A