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cosmetic grade industrial grade 99% 1 2-Pentanediol CAS 5343-92-0

Synonyms:1,2-Pentylene Glycol
Formula:C5H12O2
Weight:104.15
HS Code:2905399099
Grade:Industrial grade,Cosmetic grade
Hazard Class:General Chemical
Availability:
  • 5343-92-0

  • bosschem

  • 5343-92-0

Certificate of Analysis-COA 

cosmetic grade

Item

Standard

Result

Test Method

Appearance

Colorless Clear Liquid

Match Standard

GB/T 605

Odor

Characteristic

Match Standard

GB/T 5525-2008

Purity (by GC)

≥99%

99.84%

GB/T 9722-2023

Moisture

<0.5%

0.16%

GB/T 6283-2008

Density (20℃)

0.9600-0.9800 g/cm³

0.9725 g/cm³

GB/T 4472-2011

Refractive Index (25℃)

1.4370-1.4470

1.4385

GB/T 6488-2008

Lead (as Pb)

<0.2 mg/kg

Match Standard

Cosmetic Safety Technical Specification (2015 Edition) Chapter 4 Section 1 Clause 1.6

Arsenic (as As)

<0.2 mg/kg

Match Standard

Mercury (as Hg)

<0.2 mg/kg

Match Standard

Cadmium (as Cd)

<0.2 mg/kg

Match Standard

industrial grade

Test Items

Quality Index

Test Results

Exterior

Colorless Transparent Liquid

Qualified

Purity

99.5% Min

99.82%

Moisture

0.2% Max

0.05%




 Applications 

1. For Cosmetics And Personal Care Manufacturers: Sodium thioglycolate (INCI: Sodium Thioglycolate) is a standard raw material in depilatory creams, hair straighteners and cold-wave perm formulations. Its reducing action breaks disulfide bonds in hair keratin, giving cosmetics makers predictable depilation and restructuring performance.


2. For Microbiology And Research Laboratories: In laboratory use, sodium thioglycolate is a standard reducing agent in thioglycolate culture media, helping create the low-oxygen environment needed to grow anaerobic and microaerophilic microorganisms, and serving as an analytical reagent in redox-sensitive assays.


3. For Leather And Textile Processing: As a reducing agent, sodium thioglycolate supports controlled reduction reactions in leather processing and textile treatment, helping industrial processors maintain consistent quality and stable results across production batches.


4. For Organic Synthesis And Fine Chemicals: The sodium salt of thioglycolic acid works as a versatile building block in organic synthesis, enabling production of thioglycolate esters, PVC heat stabilizer intermediates and sulfur-containing specialty chemicals for downstream manufacturers.


5. For Water Treatment And Industrial Processes: Readily water-soluble with strong reducing properties, sodium thioglycolate is applied in water treatment and industrial process water as a reducing agent for redox control, offering formulators a practical option for oxidation management.

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 

液体塑桶

Liquid plastic drums

液体吨桶

Liquid tonnes

液体铁桶

Liquid iron drums


Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)

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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
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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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