Industry Grade 99% Trimethylamine N-oxide Dihydrate 62637-93-8 TMAO Dihydrate
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Industry Grade 99% Trimethylamine N-oxide Dihydrate 62637-93-8 TMAO Dihydrate

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Synonyms:TMAO dihydrate
Trimethylamine oxide dihydrate
N,N-Dimethylmethanamine N-oxide dihydrate
TMAO two hydrate
Molecular Formula:C3H13NO3
Molecular Weight: 111.14
HS Code: 2923900090
Grade: Industrial grade99%
Hazard Class:General Cargo
  • 62637-93-8

  • bosschemical

  • 62637-93-8

Certificate of Analysis-COA 

Item

Trimethylamine N-oxide dihydrate

CAS No

62637-93-8

Appearance

White crystal powder

White crystal powder

Pass

Water

≤2.0%

1.54

Pass

Purity

≥98%

98.29

Pass

Pb

≤10ppm

≤10ppm

Pass

As

≤2ppm

≤2ppm

Pass

Conclusion:This product has passed the inspection


 Applications 

1. For Organic Synthesis Oxidation: Trimethylamine N-oxide dihydrate (TMAO, CAS 62637-34-3) serves as an efficient co-oxidant in organic synthesis, supporting selective oxidation of alcohols to aldehydes and ketones and participating in mild oxidation systems for fine chemical manufacturing.


2. For Protein Stabilization Research: As a well-known osmolyte and protein-stabilizing agent, TMAO is widely used in biochemistry research to study protein folding, stability and refolding under denaturing conditions, serving as a standard research reagent in molecular biology laboratories.


3. For Molecular Biology Reagents: TMAO is used as a research reagent in nucleic acid and protein studies, supporting enzyme reactions and biophysical experiments in academic and industrial R&D laboratories.


4. For Chemical Intermediates: TMAO is an intermediate for producing quaternary ammonium derivatives and specialty amine-oxide chemicals, supporting fine chemical and surfactant manufacturing.


5. Consistent Quality For Global Industry: Supplied as high-purity crystalline solid with consistent assay and quality, TMAO gives synthesis, biotechnology and fine chemical customers a dependable amine-oxide reagent with flexible packaging and stable supply.

 Factory Area

FACTORY

Standardized Process Flow

FACTORY

Production Capacity

Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.

 Packaging 

固体编织袋

Solid woven bags

固体牛皮纸袋

Solid kraft paper bags

固体吨袋

Solid ton bags


Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)

Our Advantages

  • Specifications & technical advantages: 
    Higher main content and lower impurity levels; batch-to-batch stability; better solubility, particle size, and flowability, facilitating downstream processes.​​​​​​​
  • Quality system advantages: 
    Certification list - ISO 9001, REACH registration number, FDA, Kosher, Halal; each batch comes with a COA, supporting third-party testing (SGS, etc.); full traceability.​​​​​​​
  • Supply chain advantages: 
    Own factory/integrated production; annual production capacity is at full capacity, with plans to expand production; some stock is available for immediate delivery; delivery time is clear.
Transportation
1
Packaging & Loading
25 kg bags with inner PE liner, 40 bags per pallet (1 MT),  shrink-wrapped and fumigation-free; 20 MT per 20' FCL, 28 MT per 40' HQ.
2
Shipping
Sea freight is recommended for bulk orders (30–40 days to Europe/US); samples ship via DHL/FedEx within 3–7 days.  Available terms: FOB Qingdao / CIF / DDP.
3
Dangerous goods
Classified as UN, Class, Packing Group; we provide full DG documentation and comply with IMDG for all ocean shipments.
4
Documents
Commercial invoice, packing list, bill of lading, COA, SDS, and certificate of origin are included with every shipment.
  +86-15628782329        
   +86-15628782329
    No. 55, Gongye South Road, Jinan Area, China (Shandong) Pilot Free Trade Zone

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