CAS No.3737-95-9,2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]- Suppliers

Detail of "3737-95-9"

CAS Number:

3737-95-9

Name:

2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-

Superlist Name:

Calconcarboxylic acid

Molecular Structure:

Formula:

C₂₁H₁₄N₂O₇S

Molecular Weight:

438.41

Synonyms:

2-Naphthalenecarboxylicacid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]- (9CI);2-Naphthoicacid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]- (6CI,7CI,8CI);2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid;2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid;3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2-naphthalenecarboxylic acid;Cal-Red;Calcon-3-carboxylic acid;Patton and Reeder's indicator;Patton-Reeder indicator;Calcon carboxylic acid;

EINECS:

223-117-0

Density:

1.6 g/cm³

Melting Point:

300 °C(lit.)

Solubility:

slightly soluble in water

Appearance:

dark violet powder

Hazard Symbols:

Risk Codes:

36/37/38

Safety:

26-36-37/39 Details

Reference

A simple extractive colorimetric determination of oxyfedrine hydrochloride in pharmaceuticals: A simple extractive colorimetric determination of oxyfedrine hydrochloride in pharmaceuticals. Sane, R. T.; Joshi, S. K.; Pandit, U. R.; Doshi, V. J.; Sawant, S. V.; Jukar, Swati; Nayak, V. G. (Ramnarain Ruia Coll., Matunga 400 019, India). Indian Drugs, 21(4), 165-6 (English) 1984. CODEN: INDRBA. ISSN: 0019-462X. DOCUMENT TYPE: Journal CA Section: 64 (Pharmaceutical Analysis) Oxyfedrine (I) [15687-41-9] is detd. in tablets by forming ion pairs with various dyes in acidic media, extg. with CHCl3, and measuring the absorbance. Recoveries were 99.3-100.15% and relative std. deviations were 1.23-1.92%. The dye used, absorbance max., and Beer's law concn. range were: bromocresol green [76-60-8], 420, 2-16; bromophenol blue [115-39-9] 420, 2-12; methyl orange [547-58-0] 420, 2-12; Eriochrome Black T [1787-61-7] 520, 1.6-11.2; Solochrome Dark Blue [2538-85-4] 520, 1.6-12.8; and Patton and Reeders indicator [3737-95-9] 580 nm, 4-20 mg/mL.

Comparative evaluation of metal indicators during the determination of calcium: Comparative evaluation of metal indicators during the determination of calcium. Belen'kii, S. M.; Dul'neva, T. N.; Klyachko, Yu. A.; Petrova, G. S.; Vysokova, N. N. (USSR). Zavod. Lab., 43(6), 649-50 (Russian) 1977. CODEN: ZVDLAU. DOCUMENT TYPE: Journal CA Section: 61 (Water) Section cross-reference(s): 79 In using murexide (I) [3051-09-0], calconcarboxylic acid (II) [3737-95-9], and calcion (III) [3810-39-7] indicators for the titrimetric detn. of Ca in natural waters, the sharpest end point was obsd. with II. The error of the detn. increased in the order II

Detail of "3737-95-9"

2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-

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CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

CAS No.3737-95-9 Calconcarboxylic acid

Reference