ChemicalBook > CAS DataBase List > p-Naphtholbenzein

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 117 Europe 5 Germany 4 India 29 Japan 5 Poland 1 Slovakia 1 South Korea 1 Switzerland 2 United Kingdom 9 United States 38 Global 216
Beijing Nordhuns Chemical Technology Co.,Ltd
Tel
010-84929330 13811281791
Fax
010-84926806
Email
info@nordhuns.com
Country
China
ProdList
269
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
zhangsn@titansci.com
Country
China
ProdList
14113
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
BEST-REAGENT
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11726
Advantage
57
RYSS TECH LTD
Tel
400-188-0725 +86 21 34310725 13611771617
Fax
+86 21 34311076
Country
China
ProdList
2002
Advantage
57
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9823
Advantage
79
Spectrum Chemical Manufacturing Corp.
Tel
021-021-021-67601398-809-809-809 15221380277
Fax
021-57711696
Email
marketing_china@spectrumchemical.com
Country
China
ProdList
9664
Advantage
60
ShangHai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847 13636370518
Fax
021-55068248
Email
shyysw007@163.com
Country
China
ProdList
4941
Advantage
60
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9725
Advantage
55
Shanghai civi chemical technology co.,Ltd
Tel
86-21-34053660
Fax
86-21-34053661
Email
sale@labgogo.com
Country
China
ProdList
9872
Advantage
52
Thermo Fisher Scientific
Tel
800-810-5118
Fax
+86-10-84193589
Email
cnchemical@thermofisher.com
Country
China
ProdList
17779
Advantage
75
Beijing innoChem Science & Technology Co.,Ltd.
Tel
400-810-7969 010-59572699
Fax
010-59572688
Email
ningzi.li@inno-chem.com.cn
Country
China
ProdList
6139
Advantage
55
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22519
Advantage
55
UHN Shanghai Research & Development Co., Ltd.
Tel
021-58958002 18930822973
Fax
+86 (21) 5895-8628
Email
SALES@UHNSHANGHAI.COM
Country
China
ProdList
977
Advantage
58
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
18521735133 18521732826;
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
25015
Advantage
65
Shanghai BeiZhuo Biotech Co., Ltd.
Tel
021-61119791,13386096464
Fax
021-50190009
Email
bzswkf@foxmail.com
Country
China
ProdList
3924
Advantage
50
Shanghai JONLN Reagent Co., Ltd.
Tel
400-0066400 13621662912
Fax
021-55660885
Email
422131432@qq.com
Country
China
ProdList
9986
Advantage
55
Chengdu HuaXia Chemical Reagent Co. Ltd
Tel
400-1166-196 13458535857
Fax
QQ：800101999
Email
cdhxsj@163.com
Country
China
ProdList
13358
Advantage
58
Shanghai Xingui Biotechnology Co., Ltd.
Tel
17501653713 17501653715
Email
xingui2022@126.com
Country
China
ProdList
10033
Advantage
58
Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939 15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
15878
Advantage
55
Chengdu RunZeBenTu Chemical Co., Ltd
Tel
13096311329 028-88469284 616445927
Fax
028-88469284
Email
616445927@qq.com
Country
China
ProdList
2876
Advantage
50
Hubei Jusheng Technology Co.,Ltd
Tel
027-59599241 18871490274
Fax
027-59599241
Email
1400878000@qq.com
Country
China
ProdList
9972
Advantage
58
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51471
Advantage
80
Henan CoreyChem Co., Ltd
Tel
0371-86658258
Fax
0371-60996044
Email
info@coreychem.com
Country
China
ProdList
10457
Advantage
58
Shanghai EFE Biological Technology Co., Ltd.
Tel
021-65675885 18964387627
Fax
021-65675885
Email
info@efebio.com
Country
China
ProdList
9709
Advantage
58
VWR(Shanghai) Co., Ltd
Tel
400-821-8006
Fax
+86-21-58558801
Email
info_china@vwr.com
Country
China
ProdList
3041
Advantage
75
Shanghai QianYan Bio-technology Co., Ltd
Tel
02781293128
Email
orders@biochemsafebuy.com
Country
China
ProdList
9934
Advantage
55
Shandong Xiya Chemical Co., Ltd.
Tel
4009903999 13395398332
Fax
0539-6365991
Email
sales@xiyashiji.com
Country
China
ProdList
20810
Advantage
60
Raw material medicin reagent co.,Ltd
Tel
025-57798860
Email
sales@njromanme.com
Country
China
ProdList
4534
Advantage
58
Chengdu Dianchun Technology Co., Ltd
Tel
400-1166-196 18502815961
Fax
QQ：800101999
Email
cdhxsj@163.com
Country
China
ProdList
14623
Advantage
60
Grader reagent
Tel
18221735425
Email
sales@xinpingchem.com
Country
China
ProdList
9951
Advantage
58
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131981
Advantage
58
Guangdong wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2886750 13927877953
Fax
0751-2886750
Email
3005811397@qq.com
Country
China
ProdList
13351
Advantage
58
Beijing Jin Ming Biotechnology Co., Ltd.
Tel
010-60605840 18892239720
Fax
010-60605840
Email
psaitong@jm-bio.com
Country
China
ProdList
12308
Advantage
58
Anhui kuer Bioengineering Co., Ltd
Tel
0551-65171243 13810511747
Email
kuer@kuerhuaxue.com
Country
China
ProdList
2997
Advantage
55
Shanghai Uteam Biotechnology Co., Ltd.
Tel
021-36031160 13311776681
Email
3338195766@QQ.com
Country
China
ProdList
5175
Advantage
55
Shanghai Biological Technology Development Co., Ltd.
Tel
021-69955236-807 13918189704
Fax
021-65211385
Email
chinaruji@chinaruji.com
Country
China
ProdList
5176
Advantage
55
Guangzhou Jhd Chemical Reagent Co., Ltd.
Tel
020-84383047
Fax
020-84380294
Email
sales@jhd.com.cn
Country
China
ProdList
9190
Advantage
65
Shandong Ono Chemical Co., Ltd.
Tel
0539-6362799 20）
Fax
0539-6362799（To 20）
Country
China
ProdList
9998
Advantage
58
9ding chemical ( Shanghai) Limited
Tel
021-021-52271985 17721149837
Fax
+86 (21) 52271987
Email
sales@9dingchem.com
Country
China
ProdList
19806
Advantage
60
Guangzhou LES biological Technology Co.,Ltd.
Tel
13672434928
Fax
-
Email
3307355104@qq.com
Country
China
ProdList
3650
Advantage
58
Aikon International Limited
Tel
025-66113011 13155353615
Fax
(7)02557626880
Email
qzhang@aikonchem.com
Country
China
ProdList
15396
Advantage
58
SHANGHAI FDC-CHEMICAL CO.,LTD
Tel
021-61469567 18521078705
Fax
021-61161605
Email
sales@fdc-chemical.com
Country
China
ProdList
19980
Advantage
58
Rhawn Reagent
Tel
400-400-1332688 18019345275
Fax
400-133-2688
Email
amy@rhawn.cn
Country
China
ProdList
15503
Advantage
58
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400-6387771-6038 18902104717
Email
sales@heowns.com
Country
China
ProdList
20512
Advantage
60
3A Chemicals
Tel
400-668-9898
Fax
010-51582189
Email
service@3achem.com
Country
China
ProdList
20569
Advantage
58
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