CAS No. 87-02-5 J Acid/2-Amino-5-Naphthol-7-Sulfonic Acid/6-Amino-1-Naphthol-3-Sulfonic Acid Used as Manufacturing Azo Dyes

• CAS No.: 87-02-5
• Formula: C10h9no4s
• EINECS: 201-718-9
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: CAS No. 87-02-5
• Colour: White or Light Gray Powder
• Density: 1.4338 (Rough Estimate)
• Refractive Index: 1.65
• Pka: -0.28±0.40
• Storage Temp: Keep in Dark Place,Room Temperature Form Powder
• Sample: Free
• Delivery Time: Prompt Shipment
• Payment Method: T/T, L/C, D/P, D/a, OA etc.
• Transport Package: Bag/Drum
• Specification: 99% min
• Trademark: AQ
• Origin: China
• HS Code: 2922210000
• Production Capacity: 100metric Tons Per Month

Product Description

Product Description
J acid is an important dye intermediate, which is used to produce azo dyes, and can be used to
produce double J-acid, scarlet acid and phenylj-acid.

Apperance	Standard	Light gray to light brown powder
	Testing results	GREY TO LIGHT BROWN POWDER
LOT            NO. Standard	J acid PURITY (%)	GAMMA acid content (%)	HPLC Value (%)	Insoluble	Moisture(%)	Quantity	Capacity (t/a)
	≥90.00%	≤1.0%	≥95%	≤0.10%	≤1.00%
Testing results	90.03	0.87	97.1	0.08	0.8	/	3500
Application	Dye intermediates,used for azo pigment and also used for Rhoduline acid,phosgenated J acid and phenyl J acid ,etc

J acid uses

Dye intermediates. It is mainly used to prepare direct green lotus R, direct sun resistant blue FRL,
direct sun resistant gray 2BL, direct copper salt blue 2R, direct acid resistant purple, direct peach
red, direct copper dyed navy blue, sun resistant blue B2R, direct jujube red GB, reactive red,
orange, brilliant orange X-GN, gray, grass green, red brown and other dyes. It is also used to
prepare DIJ acid, scarlet acid and phenylj acid.

J acid product package
25kg/drum.
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.