Ndsa Powder Fluorescent Tracer CAS No. 211366-30-2/81-04-9 1 5-Naphthalenedisulfonic Acid Tetrahydrate

• Customization: Available
• CAS No.: 211366-30-2
• Formula: C10h16o10s2
• Model NO.: NDSA
• EINECS: 201-317-9
• Acid-Base Property: Neutral Surface Disposal Agent
• Environmental Protection: Yes
• Color: White
• Appearance: Powder
• Type: Industrial Circulating Water Treatment Agent
• pH: 4.5~8.5
• Shelf Life: 2 Years
• Function: Fluorescent Tracer in Boiler Water System
• Other Trade Name: 1, 5-Naphthalenedisulfonic Acid Tetrahydrate
• Density g/cm3: 1.05 - 1.12
• Service: ODM or OEM
• CAS No: 211366-30-2/81-04-9
• Transport Package: 25kg
• Specification: 98%
• Trademark: GreatAp
• Origin: China
• HS Code: 2904100000
• Production Capacity: 800t/Year

Product Description

Product Description

IDENTIFICATION
Product Name: 1,5-Naphthalenedisulfonic acid tetrahydrate
Molecular Formula : C10H8O6S2 · 4H2O
Molecular Weight : 360.36 g/mol
CAS No. : 211366-30-2
Fluorescence : λex290 nm; λem 330 nm
Storage Temperature(°C) : Store below 30°C

SPECIFICATION

Appearance		White to grey-white crystals or powder
Purity (HPLC)	%	≥98.0
Water (K.F.)	ppm	≤28
Fe	%	≤40
Water insoluble	%	≤0.2
Ash	%	≤0.1

CHARACTERISTIC 
·No decomposition at high temperature and pressure;                                                                                                                            
·High fluorescence efficiency, boiler feed water concentration of 50ppb can achieve high quality detection and control;                                                   
·The original packaging under 3 years of life, Good stability, Not easy to decompose and deterioration;                                              
·Not suitable for use in the food and beverage industry.

TYPICAL APPLICATION

Suitable for high pressure boiler feed water concentration monitoring

Recommended dosage
Fluorescent tracer and the water treatment agent are mixed according to the appropriate weight ratio, and after dosing agent into the system, the concentration of the fluorescent agent should be controlled at about 30-60ppb.

USUAL PACKAGE: 25kg net paper drum

SHELF LIFE: Three Years
 

Detailed Photos

 

Packaging & Shipping

USUAL PACKAGE & TRANSPORTATION
 

TRANSPORTATION
Samples or samll order we suggest Express by airline.
Mass order we suggest using container by sea.
 

Company Profile

GreatAp Chemicals Co. Ltd established in 2000, is a high-tech enterprise specializing in the research, production, and global sales of water treatment chemicals, polyquaternium series for daily use, metal hydrides, new energy materials, and specialty chemicals.

The company operates automated production lines equipped with advanced quality control systems, including gas and liquid chromatography. It collaborates closely with universities and research institutions in Shanghai, Hebei, and Tianjin to enhance product quality and R&D capabilities.

With the mission of "Creating a cleaner, safer, and better life for humanity," GreatAp Chemicals is committed to becoming a world-class supplier of specialty chemical products, working hand-in-hand with customers to build a brighter future.

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