Synonyms: Methanaminium, N,N,N-trimethyl-, chloride; TETRAMETHYLAMMONIUM CHLORIDETETRAMETHYLAMMONIUM; CHLORIDETETRAMETHYLAMMONIUM; CHLORIDETETRAMETHYLAMMONIUM CHLORIDE; Methanaminium,N,N,N-trimethyl-,chloride; n,n,n-trimethyl-methanaminiuchloride; tetramethyl-ammoniuchloride; tetraminechloride; USAF AN-8; usafan-8; Tetramethylammonium chloride(TMAC) powder

Introduction of Clindamycin phosphate 24729-96-2 pack

2-Amino-1,5-naphthalenedisulfonic acid CAS 117-62-4

CAS: 117-62-4
Molecular Formula: C10H9NO6S2
Molecular Weight: 303.31
EINECS: 204-201-6

Synonyms: SULFO TOBIAS ACID; SULPHOTOBIAS ACID; 2-amino-1,5-naphthalenedisulfonic; Sulfonic Tobias Acid; 2-NAPHTHYLAMINE-1 5-DISULFONIC ACID SODI; 2-NAPHTHYLAMINE-1,5-DISULFONIC ACID, F. PROT. SEQ. ANALYSIS; 1,5-Naphthalenedisulfonic acid, 2-amino-2-amino-5-naphthalenedisulfonicacid; 5-sulfo-tobiasaci; kyselina2-naftylamin-1,5-disulfonova

What is 2-Amino-1,5-naphthalenedisulfonic acid CAS 117-62-4？

2-Amino-1,5-naphthalenedisulfonic acid CAS 117-62-4 is an important intermediate product in the production of dyes, especially reactive dyes. The method involves sulfonating 2-naphthylamine-1-sulfonic acid (Tobias acid) in oleum (SO3 content 15-30% by weight) at room temperature.

Spécification

Article	Spécification
Point d'ébullition	205.8°C (rough estimate)
Densité	1.6329 (estimation approximative)
MW	303.31
pKa	-0.51±0.40(Predicted)
Les conditions de stockage	2-8°C