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99% Food-grade L-Malic Acid Cas 97-67-6

Synonyms:L(-)-Malic Acid
L-Malic Acid
(S)-Malic Acid
(S)-2-Hydroxysuccinic Acid
(S)-2-Hydroxybutanedioic Acid
L-2-Hydroxybutanedioic Acid
Formula:C4H6O5
Weight:134.09
HS Code:2918190090
Grade:Food grade
Hazard Class:General Chemical
Availability:
  • 97-67-6

  • bosschemical

  • 97-67-6

Certificate of Analysis-COA 

99% Content

ITEM

STANDARD

RESULTS

Color

White

White

Smell

Special sour odor

Qualified

Form

Crystalline or crystalline powder

Qualified

DL-Malic acid (C4H6O5)

≥99%

99.3%

Specific rotation (20℃), (°)·dm²·kg⁻¹

-1.6~2.6

-2.1

Ignition residue

≤0.1%

0.03%

As, mg/kg

≤2

<2

Pb, mg/kg

≤2

<2

Fumaric acid

≤0.5%

0.06

Maleic acid

≤0.05%

<0.01

Heavy metals, (Pb), mg/kg

≤10

<10

Sulphate, SO4

≤0.02%

<0.02

Chloride, Cl

≤0.004%

<0.004

Conclusion

Qualified

Qualified



 Applications 

1. Acidulant For Beverages And Confectionery: Its tart, lingering acidity makes it a leading sour agent for soft drinks, lactic acid bacteria drinks, milk drinks, cola style beverages, energy drinks, juices and nectars, and it also sets the acidity of jams, jellies, marmalades and sour fruit candies.

2. Alpha Hydroxy Acid For Skin Care: In cosmetics it acts as an alpha hydroxy acid that supports exfoliation and skin renewal and as a pH adjuster, while its sodium salt brings humectancy, so formulators use it in cleansers, serums, peel products and hair care.

3. Feed Acidifier For Livestock: Feed producers use it to acidify rations, where it improves feed efficiency, lifts palatability and supports gut health in livestock, and it is easy to blend into premixes.

4. Chelating Agent For Cleaning, Metal Treatment And Textiles: Its two carboxyl groups and one hydroxyl group bind metal ions, so it appears in cleaner formulations, in metal cleaning and descaling where a milder organic acid is wanted, and in textile finishing and dyeing baths.


Quality Assurance  Quality Assurance 


Every batch of chemicals leaves our factory with complete laboratory documentation — not a promise, but verifiable test data. From incoming raw material inspection to finished-goods release, each batch is tested against published specifications, and a Certificate of Analysis (COA) accompanies every single shipment. What you order is exactly what we test — and what we ship.

Tested by our in-house ISO 9001:2015 laboratory. Verified independently by third-party labs on request (SGS / BV / Intertek). Traceable from raw material to your warehouse.

 Packaging 

固体编织袋打托

Woven Bags

固体牛皮纸袋

Kraft Paper Bags

固体吨袋

Big Bags


Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)

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Why choose us?

01
Source manufacturer, price advantage​​​​​​​
Experience in producing and exporting 500+ chemicals, factory direct supply​​​​​​​
02
Extensive export experience​​​​​​​
Exporting to over 70 countries including the USA, Canada, UK, Australia, Japan, South Korea, Southeast Asia, and Brazil
03
Flexible minimum order quantity​​​​​​​
No quantity limit for samples and small trial orders, test first, then place an order
04
Fast response​​​​​​​
24-hour online sales staff to reply to inquiries
05
Established logistics​​​​​​​
Professional freight forwarder for chemicals, export packaging​​​​​​​
06
Controllable quality​​​​​​​
Each batch comes with TDS/MSDS/COA; accepts third-party testing (SGS, etc.)

Chemical detection methods

  • Spectroscopic Analysis Methods

    Ultraviolet-Vis Spectrophotometry (UV-Vis)
    Infrared Spectroscopy (IR/FTIR)
    Atomic Absorption Spectroscopy (AAS)
    X-ray Fluorescence Spectroscopy (XRF)
    Nuclear Magnetic Resonance Spectroscopy (NMR)

  • Chromatographic Analysis

    Gas Chromatography (GC)
    High Performance Liquid Chromatography (HPLC)
    Ion Chromatography (IC)
    Thin Layer Chromatography (TLC)

  • Mass Spectrometry Analysis

    GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
    ICP-MS: Trace Metal Elements (ppb Level)
    TOF-MS: Precise Molecular Weight Determination

  • Electrochemical analysis methods
    Polypotentiometric methods
    Conductivity methods
    Polarographic methods / Voltammetric methods
    Coulometric analysis
  • Thermal Analysis Methods
    Thermogravimetric Analysis (TGA)
    Differential Scanning Calorimetry (DSC)
    Differential Thermal Analysis (DTA)
  • Classical wet chemical analysis
    Titration analysis
    Gravity analysis
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Founded in 2010, JINAN BOSS CHEM CO.,LTD. is a large-scale hi-tech enterprise focused on the research and development of fine chemicals and international trade.​​​​​​​
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