Position:Home > Products >

Products

产品中心

  • Tel:0086-010-59693741
  • Fax:0086-010-59693740
  • Email:

    info@gremount.com.cn

  • Website:

    http://www.gremount.com.cn

  • Address: Room 409, Building 2,Jinhai International Plaza,No.21,Guangqu Road,Chaoyang District,Beijing,China
Products / Gremount

Item NO.:Vital Wheat Gluten

Origin:China
PD:2017-03-03
Unit:KG
Net Weight:25KG
Packing:25KG DRUM/BAGS/CARTON
CAS NO.:
Clicks: Clicks

Specification on DL-malic acid 

CAS NO.: 617-48-1

Molecular Formula: C4H6O          Molecular Weight: 134.09

Property:

DL-Malic acid is white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. DL-Malic acid ‘s aqueous solution is acidic. 

Specification: FCC standard

 

Items

Index

Assay(as C4H6O5)

99.0%~100.5%

Optical purity(e.e%, Chiral HPLC)

98.0% Min

Specific Rotation (c=8.5,H2O)

+1.6 ~+2.6

Arsenic(As2O3)

2.0mg/kg Max

Heavy Metal(Pb)

20mg/kg Max

Residue On Ignition

0.1% Max

Chloride[Cl-]

0.01% Max

Fumaric Acid

0.5% Max

Maleic Acid

0.05% Max

Sulfate

0.04% Max

Usage:

DL-Malic acid can be used as an acidulant in cool drinks (including lactobacillus drinks, milk drinks, carbonated drinks, cola), frozen foods (including sherbet and ice cream), processed foods (including wine and mayonnaise). DL-Malic acid is used as color-keeper and antiseptic of juice. DL-Malic acidis also used as emulsion stabilizer of egg yolk. DL-Malic acid also can be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fibre.

 

----------------------------------------------------------------------------------                                

                                  L-malic acid 

CAS NO.: 97-67-6                        EINECS: 202-601-5

Molecular Formula: C4H6O5              Molecular weight: 134.08             

Properties:

As an acidulant, L-Malic acid is especially suitable for jelly and foodstuff containing fruit ingredient.L-Malic acid can keep the natural color of juice. L-Malic acid used in healthy drinks, L-Malic acidcan resist fatigue and protect liver, kidney and heart. L-Malic acid can enhance pharmaceutical stability and improve pharmaceutical absorption.

Specification:

Standard: Japanese Standard of Food additives VII

Items

Index

Assay(as C4H6O5)

99.0% Min

Clarity

Clear

Specific Rotation

-1.6 ~ -2.6

Arsenic(as As)

2.0mg/kg Max

Oxide

Qualified

Heavy Metals(as Pb)

20mg/kg Max

Residue on Ignition

0.05% Max

Chloride[Cl-]

0.004% Max

Sulfate

0.03% Max

Fumaric Acid

0.1% Max

Maleic Acid

0.05% Max

Usage:

L-Malic acid can be added into composite amino acid injection, directly participating the metabolic cycle of organism-Krebs cycle. L-Malic acid can reduce the metabolic loss of amino acid and can compensate hypohepatia, cure uremia and hypertension, and weaken the damage of anticancer drug to normoblasts. L-Malic acid is also used in skin disinfector, air depurative and deodorizer.

KeywordsL-Malic acid ,L-Hydroxysuccinic acid; Apple acid, Malic Acid

Package and Storage:

25kg net weight in kraft bag or according to customer requirements. Kept air tightly in a light-proof, dry and cool place.

Keywords: Hydrozybutanedioic acid, DL-Malic acid, Malic Acid, DL-Apple acid