1,5-Dihydroxynaphthalene CAS 83-56-7 Purity >98.0% (HPLC)

Short Description:

Chemical Name: 1,5-Dihydroxynaphthalene

Synonyms: 1,5-Naphthalenediol 

CAS: 83-56-7

Purity: >98.0% (HPLC)

Appearance: Off-White Powder 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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83-56-7 - Description:

Ruifu Chemical is the leading manufacturer of 1,5-Dihydroxynaphthalene (1,5-Naphthalenediol) (CAS: 83-56-7) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase 1,5-Dihydroxynaphthalene, Please contact: alvin@ruifuchem.com

83-56-7 - Chemical Properties:

Chemical Name 1,5-Dihydroxynaphthalene 
Synonyms 1,5-Naphthalenediol; Naphthalene-1,5-Diol; 1,5-DHN
Stock Status In Stock, Commercial Production  
CAS Number 83-56-7
Molecular Formula C10H8O2
Molecular Weight 160.17 g/mol
Melting Point 256.0~261.0℃ 
Density 1.33g/cm3 
Store Under Inert Gas Store Under Inert Gas
Sensitive Air Sensitive  
Water Solubility  Slightly Soluble in Water 
Solubility  Soluble in Methanol
COA & MSDS Available
Origin of Product    Shanghai, China
Product Categories
Intermediates of Dyes and Pigments; Naphthalene Derivatives
Brand Ruifu Chemical

83-56-7 - Specifications:

Items Specifications  Results
Appearance Off-White Powder   Off-White Powder 
Melting Point 256.0~261.0℃ 259.0~261.0℃
Water by Karl Fischer  <0.50% 0.03%
Salt Content <0.50% 0.20%
1,5-Dihydroxynaphthalene  >98.0% (HPLC)  98.35%
Infrared Spectrum Consistent with Structure Complies
Conclusion The product has been tested and complies with the given specifications

83-56-7 - Package/Storage/Shipping:

Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry, well-ventilated warehouse. Keep away from sunshine; avoid fire and heat sources; avoid moisture. Incompatible with oxidizing agents.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

83-56-7 - Advantages:

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

83-56-7 - FAQ:

How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

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. 

83-56-7 - Risk and Safety:

Hazard Symbols Xn - Harmful
N - Dangerous for the environment
Dangerous for the environment
Risk Codes R22 - Harmful if swallowed
R36 - Irritating to the eyes
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description S29 - Do not empty into drains.
S39 - Wear eye / face protection.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.

83-56-7 - Application:

1,5-Dihydroxynaphthalene (1,5-Naphthalenediol) (CAS: 83-56-7) is an intermediate of synthetic mordant azo dyes. It is an intermediate used in organic synthesis, pharmaceuticals, dyestuff fields, fragrances and photograph industry, as well as in the production of polymers and other materials.

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