-Aminonaphthalene-1-sulfonic acid CAS NO.81-16-3

 

Product name	2-Aminonaphthalene-1-sulfonic acid
Synonyms	2-Naphthylamine-1-sulfonic acid; Tobias acid
CAS No.	81-16-3
EINECS	201-331-5
Molecular formula	C10H9NO3S
Molecular weight	223.25
Appearance	White crystalline powder
Melting point	180 °C
Density	1.502 g/cm3
Assay	99%min
2- naphtyylamines	0.01% max
moisture	1% max
Packing	25Kg/drum or as demand
Application	Pharmaceutical Intermediates

 

Delivery time:In 3-5 days

 

Shipping methods:By Courier, by air or by sea

 

Packaging: 25Kg/drum or as demand

Properties:

White crystal, melting point is 272℃. Difficultly soluble in water, good solubility in hot water. Easily soluble in alkali-creating correspondence sulfonate, then coupling to lithol scarlet with 2-naphthol.

 

Application:

For dyestuff intermediates, J-Acid, Lithol Scarlet, Naphthol and Reactive Orange38, Red141, 196, 220, etc.

English Name: 2-naphylamine-1-sulfonic acid; 2-amino-1-naphylenesulfonic acid; Tobias acid

Other names: Tobias acid; 2-aminonaphthalene-1-sulfonic acid; 2-amino-1-naphthalenesulfonic acid; debias acid; Tobias acid

CAS No.: 81-16-3

C10H9NO3S=223.25

Level: AR

Content: ≥ 98.0%

Burning residue: ≤ 0.1%

Properties: crystal in hot water is colorless, transparent and lamellar crystal, crystal in cold water is white needle like water crystal. Soluble in hot water, slightly soluble in cold water, very slightly soluble in ether

Purpose: biochemical research. Organic synthesis. It is an intermediate of azo dye, used to manufacture J acid and γ acid, chromophenol AS-SW, reactive red k-1613, organic violet red, lisol violet red and lisol red

Preservation: RT, dark

 

Product Description

Product name	2-Aminonaphthalene-1-sulfonic acid
Cas number	81-16-3
Molecular formula	C10H9NO3S
Molecular weight	223.25
Appearance	White Solid
Melting point	180ºC
Relative density	1.502 g/cm3

2-Aminonaphthalene-1-sulfonic acid
CAS NO.81-16-3
M.F:C10H9NO3S
MW:223.25
Appearance:White needle-like crystals

Purity:>98%

Used for:Dyestuffs

product Name	Tobias acid
Synonyms	2-Amino-1-naphthalenesulfonic acid; 2-aminonaphthalene-1-sulphonic acid; 2-Naphthylamine-1-sulfonic acid; 2-aminonaphthalene-1-sulfonate
Molecular Formula	C10H8NO3S
Molecular Weight	222.241
InChI	InChI=1/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)/p-1
CAS Registry Number	81-16-3
EINECS	201-331-5

 

Quick Details

CAS No.:

81-16-3

MF:

81-16-3

EINECS No.:

81-16-3

Place of Origin:

China

Type:

pharmaceutical intermediates

Purity:

0.99

Brand Name:

Leji

Model Number:

CAS No. 81-16-3

Application:

Pharmaceutical intermediates

Appearance:

powder

Product Name:

CAS No. 81-16-3

Type of product:

pharm. intermediate

Grade:

Medical Grade

Packaging & Delivery

Selling Units:

Single item

Single package size: 

15X10X10X cm

Single gross weight:

1.000 kg

Package Type:

According to the customer demand

Picture Example:

 

 

 

Lead Time :

Quantity(Kilograms)	1 - 10	>10
Est. Time(days)	5	To be negotiated

Product Description

Product Detail

Product Name	Pharmaceutical intermediate
Type of product	Organic intermediate
Grade	Pharm. Grade
Brand Name	Leji

 

Quick Details

CAS No.:

81-16-3

Other Names:

Aminonaphthalene-sulfonic acid

MF:

C10H9NO3S

EINECS No.:

201-331-5

Type:

Dyestuff Intermediates

Purity:

97%

Brand Name:

Mit-ivy

Model Number:

QM005-Tobias acid

Application:

Dyestuff Intermediates

Appearance:

crystal powder, powder

Product name:

Tobias acid

Other name:

2-Aminonaphthalene-1-sulfonic acid

CAS:

81-16-3

Molecular formula:

C10H9NO3S

Molecular Weight:

223.25

Boiling point:

220°C (rough estimate)

Refractive index:

1.5250 (estimate)

Density:

1.3588 (rough estimate)

EINECS:

201-331-5

Supply Ability

Supply Ability:

500 Kilogram/Kilograms per Month Tobias acid

Packaging & Delivery

Packaging Details

Tobias acid 25kgs drum or required

Port

Shanghai, Qingdao

Lead Time :

Quantity(Kilograms)	1 - 1000	>1000
Est. Time(days)	2	To be negotiated

Product Description

Brief Introduction of Tobias acid 97% purity CAS81-16-3 HY

Product Name	Tobias acid
CAS	81-16-3
Molecular weight	223.25
Molecular formula	C10H9NO3S
Brand	Qinmu
Appearance	powder
Package	25kg drum
Usage	dyestuff intermediate