p-Naphtholbenzein

Name	p-Naphtolbenzein
Synonyms	NSC 9862 p-Naphtolbenzein α-Naphtholbenzein p-Naphtholbenzein alpha-Naphtholbenzein MAG BIND EQUIPURE GDNA (1X96) 1-NAPHTHOLBENZEIN INDICATOR 5 G α- naphthol quinone phenylMethane 1-Naphtholbenzein indicator Reag. Ph Eur 4,4'-[hydroxy(phenyl)methanediyl]dinaphthalen-1-ol 4-(alpha-(4-Hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one 1(4H)-Naphthalenone, 4-(4-hydroxy-1-naphthalenyl)phenylmethylene- 1(4H)-Naphthalenone, 4-((4-hydroxy-1-naphthalenyl)phenylmethylene)- 4-[(4-hydroxynaphthalen-1-yl)(phenyl)methylidene]naphthalen-1(4H)-one 1(4H)-Naphthalenone, 4-(alpha-(4-hydroxy-1-naphthyl)benzylidene)- (8CI) (4Z)-4-[(4-hydroxynaphthalen-1-yl)(phenyl)methylidene]naphthalen-1(4H)-one (4E)-4-[(4-hydroxynaphthalen-1-yl)(phenyl)methylidene]naphthalen-1(4H)-one α-Naphtholbenzein,4,4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein
CAS	145-50-6
EINECS	205-656-3
InChI	InChI=1/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24-
InChIKey	VDDWRTZCUJCDJM-SOYKGTTHSA-N

Molecular Formula	C27H18O2
Molar Mass	374.43
Density	1.0946 (rough estimate)
Melting Point	230-235°C(lit.)
Boling Point	463.44°C (rough estimate)
Flash Point	242.3°C
Water Solubility	insoluble
Solubility	Solubility Insoluble in water; soluble in ethanol, methanol
Vapor Presure	5.48E-14mmHg at 25°C
Vapor Density	12.9 (vs air)
Appearance	Liquid
Color	Pale Red-Brown
Odor	Odorless
Maximum wavelength(λmax)	['210nm']
BRN	3471575
pKa	8.95(at 25℃)
Storage Condition	Store at +5°C to +30°C.
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Refractive Index	1.4875 (estimate)

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3
FLUKA BRAND F CODES	10-21
TSCA	Yes
HS Code	29145000

pH range of acid-base indicator discoloration	Green (0.0) to yellow (0.8);Yellow (8.2) to green-blue (11.0)
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	acid-base indicator, pH8.5 (yellow) ~ 9.8 (green) acid-base titration of the indicator in the sequential injection analytical technique (pH 8.2-10.0).

Last Update：2024-06-18 09:09:15

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Mobile: 18021002903
QQ: 3008007409

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Product Name: Propranolol Impurity 49 Request for quotation
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Mobile: 86+15671228036
QQ: 2853786052

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p-Naphtholbenzein
890094-11-8

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