887-77-4 Usage
Chemical structure
1-hydroxy-4-sulphonatonaphthalene-2-diazonium consists of a naphthalene ring with a hydroxy group at position 1, a sulphonato group at position 4, and a diazonium group at position 2.
Functional groups
The presence of a hydroxy group, a sulphonato group, and a diazonium group on the naphthalene ring contributes to the compound's unique reactivity and properties.
Hydroxy group
A hydroxyl (-OH) group attached to the naphthalene ring at position 1.
Sulphonato group
A sulphonate (-SO3H) group attached to the naphthalene ring at position 4.
Diazonium group
A diazonium (-N2+) group attached to the naphthalene ring at position 2.
Reactivity
1-hydroxy-4-sulphonatonaphthalene-2-diazonium is highly reactive due to the presence of the diazonium group, which can undergo various reactions, such as coupling reactions and nucleophilic substitution.
Applications
The compound is commonly used as a coupling reagent in organic synthesis, particularly in the preparation of azo dyes and pigments. It has also been utilized in the development of novel materials for applications in electronics and optics.
Versatility
1-hydroxy-4-sulphonatonaphthalene-2-diazonium is a versatile compound with diverse applications in various fields, including organic synthesis, material science, and the production of dyes and pigments.
Check Digit Verification of cas no
The CAS Registry Mumber 887-77-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 887-77:
(5*8)+(4*8)+(3*7)+(2*7)+(1*7)=114
114 % 10 = 4
So 887-77-4 is a valid CAS Registry Number.
InChI:InChI=1/C10H6N2O4S/c11-12-8-5-9(17(14,15)16)6-3-1-2-4-7(6)10(8)13/h1-5H,(H-,13,14,15,16)
887-77-4Relevant articles and documents
Sulfochlorination of 1,2-Naphthoquinone-(2)-diazide by Chlorosulfonic acid
Sauer, E.,Polz, K.,Schopf, G.,Bendig, J.
, p. 467 - 473 (2007/10/02)
The sulfochlorination of 1,2-naphthoquinone diazide-(2) (1) by chlorosulfonic acid was investigated.The yields of the formed products (1,2-naphthoquinone diazide-(2)-4-sulfonic acid (4), 1,2-naphthoquinone diazide-(2)-5-sulfonic acid (5), 1,2-naphthoquinone diazide-(2)-4-sulfochloride (2) and 1,2-naphthoquinone diazide-(2)-5-sulfochloride (3)) depend on the temperature and on the time of reaction.The highest yields of the favoured 1,2-naphthoquinone diazide-(2)-4-sulfochloride (2) are obtained at 63 deg C and after a reaction time of 80 minutes (50percent).
