Sodium Phosphate Tribasic Dodecahydrate CAS 10101-89-0 Purity 98.0~102.0% (Titration)

Short Description:

Sodium Phosphate Tribasic Dodecahydrate 

CAS: 10101-89-0

Purity (Titration by NaOH): 98.0~102.0%

Appearance: White Crystals 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401


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10101-89-0 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Sodium Phosphate Tribasic Dodecahydrate (CAS: 10101-89-0) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase, Please contact:

10101-89-0 - Chemical Properties:

Chemical Name Sodium Phosphate Tribasic Dodecahydrate 
Synonyms TSP; TSP Dodecahydrate; tri-Sodium Phosphate Dodecahydrate; Sodium Phosphate Dodecahydrate; Sodium Phosphate 12-Water; Trisodium Phosphate (tert) Dodecahydrate
Stock Status In Stock, Commercial Production  
CAS Number 10101-89-0
Alternate CAS 7664-38-2 (Anhydrous Free Acid)
Molecular Formula Na3O4P•12H2O
Molecular Weight 380.12 (163.94 Anhy) 
Melting Point 75℃ (Approx.) 
Density 1.62 g/mL at 25℃ 
Sensitive Easily Absorbing Moisture 
Solubility  Soluble in water (258 g/L 20℃). Insoluble in Alcohol  
Stability Stable. Incompatible with Strong Acids. Keep Dry.
COA & MSDS Available
Sample  Available
Origin Shanghai, China
Brand Ruifu Chemical

10101-89-0 - Specifications:

Items Specifications  Results
Appearance White Crystals  White Crystals  
Purity (as Na3PO4.12H2O)   98.0~102.0% (Titration by NaOH) >98.0%
Free Alkalies (as NaOH)  <1.50% 1.0%
Disodium Salt  <0.50% 0.3%
Insoluble Matter in H2O <0.01% <0.01%
Water by Karl Fischer 50.0~60.0% Conforms
Sulfate (SO42-) <0.01% <0.01%
Chloride (Cl-)  <0.001% <0.001%
Iron (Fe)  <0.001% <0.001%
Heavy Metals (as Pb) <0.001% <0.001%
ICP Confirms Na & P Components  Confirmed
X-Ray Diffraction Conforms to Structure Conforms
Conclusion The product has been tested and complies with the given specifications


Package: Bottle; Aluminium foil bag; 25kg/Bag, packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer; 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Keep away from rain and sunshine; avoid fire; avoid moisture. Unloaded with care so as to avoid damage. Stored separately from poisonous substances. Add cushion to prevent caking. When stored under ordinary conditions, it may lose some water for crystallization. Incompatible with strong acids.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 


Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock    

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system


How to Purchase? Please contact Dr. Alvin Huang: or 

15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.

Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.

Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.

Quality AssuranceStrict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

10101-89-0 - Risk and Safety:

Hazard Symbols C - Corrosive
Risk Codes R34 - Causes burns
R35 - Causes severe burns
R36/38 - Irritating to eyes and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25 - Avoid contact with skin and eyes.
UN IDs UN 3262 8/PG 3
WGK Germany 1
RTECS TC9575000
HS Code 2835291000
Hazard Class 8
Packing Group III
Toxicity LD50 orally in Rabbit: 7400 mg/kg

10101-89-0 - Application:

(1) Sodium Phosphate Tribasic Dodecahydrate is often used in the formulation of various buffers.
(2) It can be used as the water softener, It is widely used in various water treatment methods. Used as detergent, boiler detergents, metal cleaning agent, dyeing fixing agent, fluxing agent for enamel production, bleaching agent, leather degreaser agent and degumming agent, boiler cleaning agents, photographic developer and detergents. It can also be applied to paper, leather, photography and so on. Can be used as analytical reagents 
(3) PH buffers of the adhesive for producing glossy paper, the fixing agent for textile printing, mercerized enhancer for fabric, tendering resistant agent for making thread in the chemical, textile printing paper dyeing, power generation and other industries. It can be used for chemical degreasing and decontamination, and can also be used as the metal corrosion resistance agent or rust inhibitor in metallurgical industry; fluxing agent and bleaching agent in enamel industry; degreasing agents and rawhide unglued agent in leather industry; favorable promoter for photographic developing solution; tooth cleaners and detergents for bottle; coagulating agent for rubber latex; juice purification agents.
(4) Phosphate has the effect of improving quality in food processing, for example, keep the water capacity in meat and improve adhesive force in order to reduce the loss of nutrients make the meat soft. It can be used as the emulsifier, nutritional supplement and quality improver In food processing. 
(5) Sodium Phosphate Tribasic Dodecahydrate can also be used as food additive, Chinese GB2760-1996 regulations allow the use of food with moisture-retaining agent. Quality improver, emulsifier and chelating agent. Phosphate plays a role in quality improvement in food processing. 

10101-89-0 - Safety:

Non-combustible. Trisodium Phosphate powder is irritating to the mucous membranes of the eyes and the upper respiratory tract, and can cause dermatitis and eczema. Staff should be protected, if contact with the skin, should immediately rinse with water. Should be stored in a cool, dry place. During storage and transportation, rain and sunlight should be prevented. 

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