p-Naphtholbenzein

Product Name: p-Naphtholbenzein
CAS No.: 145-50-6
Chemical Name: p-Naphtholbenzein
Synonyms: α-Naphtholbenzein;A-NAPHTHOLBENZEIN;Nsc 9862;8.2-10.0);pha-NaphthoL;P-NAPTHOLBENZEIN;à-naphtholbenzein;ɑ-Naphtholbenzein;1-NAPHTHOLBENZEIN;P-NAPHTHOLBENZEIN
CBNumber: CB4450645
Molecular Formula: C27H18O2
Formula Weight: 374.43
MOL File: 145-50-6.mol

More

Less

p-Naphtholbenzein Property

Melting point:: 230-235 °C(lit.)
Boiling point:: 463.44°C (rough estimate)
Density: 1.0946 (rough estimate)
vapor density: 12.9 (vs air)
refractive index: 1.4875 (estimate)
storage temp.: Store at +5°C to +30°C.
solubility: Solubility Insoluble in water; soluble in ethanol, methanol
form: Liquid
pka: 8.95(at 25℃)
color: Pale Red-Brown
PH Range: Green (0.0) to yellow (0.8);Yellow (8.2) to green-blue (11.0)
Odor: Odorless
Water Solubility: insoluble
λmax: 210nm
BRN: 3471575
Stability:: Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey: VDDWRTZCUJCDJM-SOYKGTTHSA-N
CAS DataBase Reference: 145-50-6(CAS DataBase Reference)
EPA Substance Registry System: 1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]- (145-50-6)

More

Less

Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36-37/39
WGK Germany: 3
F: 10-21
TSCA: Yes
HS Code: 29145000

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 291099
Product name: α-Naphtholbenzein
Purity: indicator grade
Packaging: 5g
Price: $59.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 291099
Product name: α-Naphtholbenzein
Purity: indicator grade
Packaging: 25g
Price: $213
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.06202
Product name: 1-Naphtholbenzein
Purity: indicator Reag. Ph Eur
Packaging: 5G
Price: $101
Updated: 2024/03/01

TCI Chemical

Product number: N0028
Product name: p-Naphtholbenzein
Packaging: 25g
Price: $267
Updated: 2024/03/01

Alfa Aesar

Product number: A16125
Product name: alpha-Naphtholbenzein
Packaging: 5g
Price: $43.9
Updated: 2024/03/01

More

Less

p-Naphtholbenzein Chemical Properties,Usage,Production

Chemical Properties

deep red to rust-coloured crystals

Uses

alpha-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0). Dyes and metabolites.

p-Naphtholbenzein Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

p-Naphtholbenzein Suppliers

Americas 1 Austria 1 Belgium 1 Canada 1 China 122 Europe 5 Germany 4 India 31 Japan 5 Poland 1 Slovakia 1 South Korea 1 Switzerland 2 United Kingdom 9 United States 38 Global 223

Beijing Nordhuns Chemical Technology Co.,Ltd

Tel: 010-84929330 13811281791
Fax: 010-84926806
Email: info@nordhuns.com
Country: China
ProdList: 295
Advantage: 58

BIOISCO(Lianyungang, Jiangsu) Biotechnology Co., Ltd

Tel: 18082049515
Email: 2757382053@qq.com
Country: China
ProdList: 2149
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 94657
Advantage: 76

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44689
Advantage: 61

Adamas Reagent, Ltd.

Tel: 400-6009262 16621234537
Fax: 021-64823266
Email: chenyj@titansci.com
Country: China
ProdList: 14103
Advantage: 59

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42958
Advantage: 64

Sichuan Kulinan Technology Co., Ltd

Tel: 400-1166-196 18981987031
Fax: 028-84555506 800101999
Email: cdhxsj@163.com
Country: China
ProdList: 11707
Advantage: 57

RYSS TECH LTD

Tel: 400-188-0725 +86 21 34310725 13611771617
Fax: +86 21 34311076
Country: China
ProdList: 2002
Advantage: 57

More

Less

View Lastest Price from p-Naphtholbenzein manufacturers

Henan Fengda Chemical Co., Ltd

Product: p-Naphtholbenzein 145-50-6
Price: US $5.00-2.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2024-04-16

Career Henan Chemical Co

Product: α-Naphtholbenzein 145-50-6
Price: US $9.80/KG
Min. Order: 1g
Purity: ＞98%
Supply Ability: 20 tons
Release date: 2020-02-10

145-50-6, p-NaphtholbenzeinRelated Search:

industrial alcohol Phenylfluorone Magnesium sulfate 5,5-Diphenylhydantoin lithospermic acid B 7,8-Dihydroxycoumarin Naphthol benzyl alcohol indicator solution 1-Naphthol Benzyl alcohol 1-NAPHTHOLBENZEIN,α-Naphtholbenzei 1-STYRYLNAPHTHALENE TRANS-4-HYDROXYSTILBENE p-Naphtholbenzein 1-(1-PHENYL-VINYL)-NAPHTHALENE TIMTEC-BB SBB005952 4-METHYL-1-NAPHTHOL

α-Naphtholbenzein,4,4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein

alpha-Naphtholbenzein, pure, 90% 10GR

alpha-Naphtholbenzein, pure, 90% 25GR

1-NAPHTHOLBENZEIN INDICATOR 5 G

α- naphthol quinone phenylMethane

MAG BIND EQUIPURE GDNA (1X96)

1-Naphtholbenzein indicator Reag. Ph Eur

1(4H)-Naphthalenone, 4-(4-hydroxy-1-naphthalenyl)phenylmethylene-

4,4'-(à-hydroxybenzylidene)di-1-naphthol

à-naphtholbenzein

1-Naphtholbenzein(PhIndicator)-(P-Naphtholbenzein)

1-Naphtholbenzein(PhIndicator)

1-NAPHTHOL BENZEIN ( ALPHA- NAPHTHOL BENZEIN) pH INDICATOR

alpha-Naphtholbenzein, pure, 90%

ɑ-Naphtholbenzein

[(4-Hydroxy-1-naphthalenyl)phenylmethylene]-1-4(H)-naphthalenone

4-[(4-Hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one

Alpha-naphtholbenzein, 90%, pure

p-Naphtholbenzein (0.2% in Acetic Acid) [for Non-aqueous titration]

p-Naphtholbenzein (1% in ca. 95% Ethanol) [for pH Determination]

alpha-Naphtholbenzein,98%

1(4h)-naphthalenone, 4-[α-(4-hydroxy-1-naphthyl)benzylidene]-

Nsc 9862

pha-NaphthoL

(4E)-4-[(4-hydroxy-1-naphthalenyl)-phenylmethylidene]-1-naphthalenone

LABOTEST-BB LT00452038

1-NAPHTHOLBENZEIN

A-NAPHTHOLBENZEIN

ALPHA,ALPHA-BIS(4-HYDROXY-1-NAPHTHYL)BENZYL ALCOHOL

ALPHA-NAPHTHOLBENZEIN

4-[(4-HYDROXY-1-NAPHTHALENYL)PHENYLMETHYLENE]-1(4H)-NAPHTHALENONE

4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-1(4h)-naphthalenon

4,4’-(α-Hydroxybenzylidene)di-1-naphthol

P-NAPTHOLBENZEIN

P-NAPHTHOLBENZEIN

P-NAPHTHOLBENZEIN (ALPHA)

P-NAPHTHOLBENZEIN INDICATOR

P-NAPHTHOLBENZEIN TS

4-(alpha-(4-hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one

ALPHA-NAPHTHOLBENZEIN, INDICATOR GRADE

P-NAPHTHOLBENZEIN(ALPHA-)(0.2% IN ACETIC ACID)[FOR NON-AQUEOUS TITRATION]

P-NAPHTHOLBENZEIN(ALPHA-)(10% IN CA. 95% ETHANOL) [FOR PH DETERMINATION]

α - naphthol benzyl alcohol

alpha-Naphtholbenzein (Technical Grade)

α-Naphtholbenzein

p-Naphtholbenzein USP/EP/BP

α-Naphtholbenzein (Technical Grade)

α-Naphtholquinone phenylmethane 1-Naphtholbenzein, indicator Reag.

alpha-Naphthol benzene

4-(?-(4-hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one

P-Naphtholbenzein, Pure, Indicator Grade, Fisher Chemical&trade

1-NAPHTHOLBENZEIN Indicator grade

8.2-10.0)

alpha-Naphtholbenzein，alpha-Naphtholbenzein

indicator (pH 0.0-0.8

p-Naphtholebnzein

(E)-4-((4-hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one

alpha-Naphtholbenzein，alpha-Naphtholbenzein，indicator (pH 0.0-0.8