Tobias Acid/2-Aminonaphthalene-1-Sulfonic Acid/2-Amino-1-Naphthalaene Sulfonic Acid CAS No. 81-16-3 From China Factory Manufacture

• CAS No.: 81-16-3
• Formula: C10h9no3s
• EINECS: 201-331-5
• Type: Azo Dye Intermediate
• Appearance: Powder
• Quality: Industrial
• Model NO.: CAS No. 81-16-3
• Colour: Light Gray to Light Brown Powder
• Density: 1.3588 (Rough Estimate)
• Molecular Weight: 223.25
• Melting Point: 180 °c
• Boiling Point: 220°c (Rough Estimate)
• Refractivity: 1.5250 (Estimate)
• Water Solubility: 4.083G/L
• Application: Organic Synthesis
• Sample: Free
• Delivery Time: Prompt Shipment
• Payment Method: T/T, L/C, D/P, D/a, OA etc.
• Transport Package: Bag
• Specification: 95% min
• Trademark: AQ
• Origin: China
• HS Code: 2921450090
• Production Capacity: 100metric Tons Per Month

Product Description

Product Description

Apperance	Standard	Light gray to light brown powder
	Testing results	Grey to light brown powder
LOT   NO. Standard	TOBIAS ACID PURITY(%)	Dinaphthylamine (%)	Moisture(%)	Capacity(t/a)
	≥97.00%	<0.25%	<1.0%
Testing results	97.64	0.22	0.8	8000
Application	Azo dye and azo dye intermediates,used for J acid and R acid,naphthol AS-SW,vital red K-1613 and organic red ,Lisors purple.

 

Tobias acid uses

The product is an intermediate of azo dye, which is used to manufacture J acid and γ Acid,
chromophenol AS-SW, reactive red k-1613, organic purplish red, lisol purplish red and lisol scarlet.

Tobias acid product package
25kg bag.
It can be customized according to customer requirements.


Our services
1.We have over 20 years producing experience, adopt advanced production and inspection
equipment,optimize production process, to guarantee and improve product quality.
2. Provide samples free of charge.
3. Factory price, no middleman increases costs.
4. Packaging can be customized according to customer requirements
5. We provide commercial invoice, packing list, shipping order, COA, health certificate and
certificate oforigin, etc. If your market has any special requirements, please let us know.
6. We can accept various payment methods, such as L / C, t / T, D / A, D / P, O / A, PayPal,
Western Union,etc
7. Timely delivery. We have good cooperation with many professional freight forwarders.
Once you confirmthe order, we can send the products to you.


FAQ
Q1: Are you manufacturer?
A1:Yes, we are professional manufacturer

Q2:Can I get a sample?
A2:Surely, few quantity samples can be provided for free, but the courier cost should be paid by
you first,and we will return to you in our first cooperation.

Q3:What's your supply capacity?
A3:Our supply capacity is:100 metric tons/month.

Q4:What's your delivery time?
A4:Usually we will arrange the shipment in 2-3 weeks.