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ChemicalBook >> CAS DataBase List >> p-Naphtholbenzein

p-Naphtholbenzein

p-Naphtholbenzein price.
  • $16.8 - $617.34
  • Product name: p-Naphtholbenzein
  • CAS: 145-50-6
  • MF: C27H18O2
  • MW: 374.43
  • EINECS:205-656-3
  • MDL Number:MFCD00078492
  • Synonyms: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-
16 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • Chem-Impex
  • Labseeker
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • ManufacturerAHH
  • Product numberMT-19321
  • Product description1-Naphtholbenzein 90%
  • Packaging250g
  • Price$446
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberL947
  • Product descriptionalpha-Naphtholbenzein
  • Packaging5g
  • Price$37
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA16125
  • Product descriptionalpha-Naphtholbenzein
  • Packaging5g
  • Price$43.9
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA16125
  • Product descriptionalpha-Naphtholbenzein
  • Packaging25g
  • Price$131
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA16125
  • Product descriptionalpha-Naphtholbenzein
  • Packaging100g
  • Price$414
  • Updated2024-03-01
  • Buy
  • ManufacturerChem-Impex
  • Product number22928
  • Product descriptionα-Naphtholbenzein
  • Packaging250G
  • Price$617.34
  • Updated2021-12-16
  • Buy
  • ManufacturerLabseeker
  • Product numberSC-89236
  • Product descriptionp-Naphtholbenzein 95
  • Packaging100g
  • Price$615
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number291099
  • Product descriptionα-Naphtholbenzein indicator grade
  • Packaging5g
  • Price$59.8
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number1.06202
  • Product description1-Naphtholbenzein indicator Reag. Ph Eur
  • Packaging5G
  • Price$101
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number70480
  • Product descriptionα-Naphtholbenzein indicator (pH 8.2-10.0)
  • Packaging10g
  • Price$105
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number291099
  • Product descriptionα-Naphtholbenzein indicator grade
  • Packaging25g
  • Price$213
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number70480
  • Product descriptionα-Naphtholbenzein indicator (pH 8.2-10.0)
  • Packaging50g
  • Price$342
  • Updated2024-03-01
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number2920-1-45
  • Product descriptionalpha-Naphtholbenzein
  • Packaging5G
  • Price$52
  • Updated2021-12-16
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  • ManufacturerTCI Chemical
  • Product numberN0028
  • Product descriptionp-Naphtholbenzein
  • Packaging25g
  • Price$267
  • Updated2024-03-01
  • Buy
  • ManufacturerTRC
  • Product numberN369005
  • Product descriptionα-Naphtholbenzein(TechnicalGrade)
  • Packaging5g
  • Price$95
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number285440
  • Product descriptionp-Naphtholbenzein
  • Packaging10g
  • Price$319
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-19321 1-Naphtholbenzein 90% 250g $446 2021-12-16 Buy
AK Scientific L947 alpha-Naphtholbenzein 5g $37 2021-12-16 Buy
Alfa Aesar A16125 alpha-Naphtholbenzein 5g $43.9 2024-03-01 Buy
Alfa Aesar A16125 alpha-Naphtholbenzein 25g $131 2024-03-01 Buy
Alfa Aesar A16125 alpha-Naphtholbenzein 100g $414 2024-03-01 Buy
Chem-Impex 22928 α-Naphtholbenzein 250G $617.34 2021-12-16 Buy
Labseeker SC-89236 p-Naphtholbenzein 95 100g $615 2021-12-16 Buy
Sigma-Aldrich 291099 α-Naphtholbenzein indicator grade 5g $59.8 2024-03-01 Buy
Sigma-Aldrich 1.06202 1-Naphtholbenzein indicator Reag. Ph Eur 5G $101 2024-03-01 Buy
Sigma-Aldrich 70480 α-Naphtholbenzein indicator (pH 8.2-10.0) 10g $105 2024-03-01 Buy
Sigma-Aldrich 291099 α-Naphtholbenzein indicator grade 25g $213 2024-03-01 Buy
Sigma-Aldrich 70480 α-Naphtholbenzein indicator (pH 8.2-10.0) 50g $342 2024-03-01 Buy
SynQuest Laboratories 2920-1-45 alpha-Naphtholbenzein 5G $52 2021-12-16 Buy
TCI Chemical N0028 p-Naphtholbenzein 25g $267 2024-03-01 Buy
TRC N369005 α-Naphtholbenzein(TechnicalGrade) 5g $95 2021-12-16 Buy
Usbiological 285440 p-Naphtholbenzein 10g $319 2021-12-16 Buy

Properties

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)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0).

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