This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).
Selected category:
PH indicator
Total count of records found: 66.
Showed records: 20.
Molecular formula:
C15H15N3O2
CAS# 493-52-7
4.4
⇌
6.2
pH
Names
English:
- 2-[[4-(Dimethylamino)phenyl]azo]benzoic Acid
; - 2-{(E)-[4-(Dimethylamino)phenyl]diazenyl}benzoic acid(IUPAC)
; - Benzoic acid, 2-[(E)-2-[4-(dimethylamino)phenyl]diazenyl]-(CAS)
; - C.I. 13020
; - C.I. Acid Red 2
; - EINECS:207-776-1
; - Methyl red [Wiki]
;
Molecular formula:
C24H28ClN3
CAS# 603-47-4
0.13
⇌
0.5
1
⇌
1.5
2
⇌
3
pH
Names
English:
- 4,4'-{[4-(Methylimino)-2,5-cyclohexadien-1-ylidene]methylene}bis(N,N-dimethylaniline) hydrochloride (1:1)(IUPAC)
; - 4,4'-{[4-(Methylimino)cyclohexa-2,5-dien-1-ylidene]methylene}bis(N,N-dimethylaniline) hydrochloride (1:1)
; - 4-[[4-(dimethylamino)phenyl]-(4-methyliminocyclohexa-2,5-dien-1-ylidene)methyl]-N,N-dimethylaniline;hydrochloride(IUPAC)
; - Aniline, p-((p-(dimethylamino)phenyl)(4-(methylimino)-2,5-cyclohexadien-1-ylidene)methyl)-N,N-dimethyl-, monohydrochloride
; - Benzenamine, 4,4'-[[4-(methylimino)-2,5-cyclohexadien-1-ylidene]methylene]bis[N,N-dimethyl-, hydrochloride (1:1)(CAS)
; - EINECS:210-042-3
; - Methyl violet [Wiki]
; - Methyl violet 6B
;
Molecular formula:
C23H26ClN3
Names
English:
- 4,4'-[(4-Imino-2,5-cyclohexadien-1-ylidene)methylene]bis(N,N-dimethylaniline) hydrochloride (1:1)(IUPAC)
; - Benzenamine, 4,4'-[(4-imino-2,5-cyclohexadien-1-ylidene)methylene]bis[N,N-dimethyl-, hydrochloride (1:1)(CAS)
; - C.I. 42535
; - EINECS:282-455-7
; - Methyl Violet 2B
;
Molecular formula:
C14H15N3
CAS# 60-11-7
2.9
⇌
4
pH
Names
English:
- 4-Dimethylaminoazobenzene
; - Aniline, N,N-dimethyl-p-(phenylazo)-
; - Aniline, N,N-dimethyl-p-phenylazo-
; - Azobenzene, p-(dimethylamino)-
; - Azobenzene, p-dimethylamino-
; - Benzenamine, N,N-dimethyl-4- (phenylazo)-
; - Benzenamine, N,N-dimethyl-4-(phenylazo)-
; - Benzenamine, N,N-dimethyl-4-[(E)-2-phenyldiazenyl]-(CAS)
; - Butter Yellow
; - C.I. 11020
; - C.I. SOLVENT YELLOW 2
; - Dimethyl Yellow
; - EINECS:200-455-7
; - Fat Yellow
; - Methyl yellow [Wiki]
; - N,N-Dimethyl-4-(phenylazo)benzenamine
; - N,N-Dimethyl-4-[(E)-phenyldiazenyl]aniline(IUPAC)
; - N,N-Dimethyl-4-phenylazoaniline
; - N,N-Dimethyl-p-(phenylazo)aniline
; - N,N-Dimethyl-p-phenylazoaniline
; - N,N-dimethyl-4-(phenylazo)aniline
; - N,N-dimethyl-4-phenyldiazenylaniline(IUPAC)
; - Solvent Yellow 2
; - Sudan Yellow
; - benzenamine, N,N-dimethyl-4-[(E)-phenylazo]-
; - p-(Dimethylamino)azobenzene
; - p-Dimethylaminoazobenzen
; - p-Dimethylaminoazobenzene
;
Molecular formula:
C28H18O4
CAS# 596-01-0
7.3
⇌
8.7
pH
Names
English:
- 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-(CAS)
; - 3,3-Bis(4-hydroxy-1-naphthyl)-2-benzofuran-1(3H)-one(IUPAC)
; - 3,3-Bis(4-hydroxynaphthalenyl)-1(3H)-isobenzofuranone
; - 3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one(IUPAC)
; - Di-p-a-naphtholphthalide
; - EINECS:209-875-5
; - Naphtholphthalein [Wiki]
; - a-Naphtholphthalein
; - alpha-Naphtholphthalein
; - p-a-Naphtholphthalein
; - α-Naphtholphthalein
;
Molecular formula:
C15H17ClN4
CAS# 553-24-2
6.8
⇌
8
pH
Names
English:
- 2,8-Phenazinediamine, N8,N8,3-trimethyl-, monohydrochloride
; - 2,8-Phenazinediamine, N8,N8,3-trimethyl-, hydrochloride (1:1)(CAS)
; - 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride
; - 8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride(IUPAC)
; - C.I. 50040
; - C.I. Basic Red 5, monohydrochloride
; - EINECS:209-035-8
; - N8,N8,3-Trimethyl-2,8-phenazinediamine hydrochloride (1:1)(IUPAC)
; - N8,N8,3-Trimethylphenazine-2,8-diamine hydrochloride (1:1)
; - Neutral Red (Tautomer)
; - Neutral Red Base
; - Neutral red [Wiki]
; - Nuclear Fast Red
; - Toluylene Red
;
Molecular formula:
C16H10N4O11S2
CAS# 1716-22-9
4.5
⇌
7.5
pH
Names
English:
- (3E)-3-[(2,4-Dinitrophenyl)hydrazono]-4-oxo-3,4-dihydro-2,7-naphthalenedisulfonic acid(IUPAC)
; - (3E)-3-[(2,4-dinitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonic acid(IUPAC)
; - 2,7-Naphthalenedisulfonic acid, 3-[2-(2,4-dinitrophenyl)hydrazinylidene]-3,4-dihydro-4-oxo-, (3E)-(CAS)
; - Nitrazine [Wiki]
; - phenaphthazine
;
Molecular formula:
C6H5NO3
CAS# 100-02-7
5.4
⇌
7.6
pH
Names
English:
- 1-Hydroxy-4-nitrobenzene
; - 4-Hydroxy-1-nitrobenzene
; - 4-Hydroxynitrobenzene
; - 4-Nitrophenol(IUPAC)
; - EINECS:202-811-7
; - Niphen
; - Phenol, 4-nitro-
; - Phenol,p-nitro- (8CI)
; - p-Hydroxynitrobenzene
; - p-Nitrophenol
;
Molecular formula:
C19H14O5S
CAS# 143-74-8
6.8
⇌
8.4
pH
Names
English:
- 3,3-bis(p-hydroxyphenyl)-3h-2,1-benzoxathiole 1,1-dioxide
; - 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)diphenol(IUPAC)
; - 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bisphenol S,S-Dioxide
; - 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
; - EINECS:205-609-7
; - Fenolipuna
; - P.S.P.
; - PSP
; - PSP (indicator)
; - Phenol red [Wiki]
; - Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-(CAS)
; - Phenolsulphonphthalein
; - Sulfonphthal
; - Sulphental
; - Sulphonthal
; - TF-R 2
; - [143-74-8]
; - a-Hydroxy-a,a-bis(p-hydroxyphenyl)-o-toluenesulfonic Acid g-Sultone
;
Molecular formula:
C20H14O4
CAS# 77-09-8
-1
⇌
0
8.2
⇌
10
12
⇌
13
pH
Names
English:
- 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-(CAS)
; - 3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one(IUPAC)
; - 3,3-bis(4-idrossifenile)-1,(3H)-isobenzofuranone(IUPAC)
; - Chocolax
; - EINECS:201-004-7
; - Espotabs
; - Euchessina
; - ISOBENZOFURAN-1(3H)-ONE, 3,3-BIS(4-HYDROXYPHENYL)-
; - Koprol
; - Laxogen
; - Lilo
; - Phenolax
; - Phenolphtaleine
; - Phenolphthalein [Wiki]
; - Phenophthalein
; - Phthalimetten
; - Phthalin
; - Purga
; - Purgen
; - Purgophen
; - Spulmako-lax
; - TY 9
; - Trilax
; - fenolftaleina
;
Molecular formula:
C12H7NO4
CAS# 550-82-3
3.8
⇌
6.5
pH
Names
English:
- 3H-Phenoxazin-3-one, 7-hydroxy-, 10-oxide(CAS)
; - 550-82-3 [RN]
; - 7-Hydroxy-3H-phenoxazin-3-one 10-oxide(IUPAC)
; - 7-hydroxy-10-oxidophenoxazin-10-ium-3-one(IUPAC)
; - Alamar Blue
; - EINECS:208-987-1
; - Resazurin [Wiki]
; - UptiBlue
; - Vybrant
;
Molecular formula:
C27H30O5S
CAS# 76-61-9
1.2
⇌
2.8
8
⇌
9.6
pH
Names
English:
- 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-isopropyl-5-methylphenol)(IUPAC)
; - 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[5-methyl-2-(propan-2-yl)phenol]
; - 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-Dioxide
; - 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol(IUPAC)
; - EINECS:200-973-3
; - Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-(CAS)
; - Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide
; - Thymol blue [Wiki]
; - a-Hydroxy-a,a-bis(5-hydroxycarvacryl)-o-toluenesulfonic Acid g-Sultone
;
Molecular formula:
C28H30O4
CAS# 125-20-2
-1
⇌
0
9.3
⇌
10.5
pH
Names
English:
- 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-2-benzofuran-1(3H)-one(IUPAC)
; - 3,3-Bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3H)-isobenzofuranone
; - 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one(IUPAC)
; - 5',5''-Diisopropyl-2',2''-dimethylphenolphthalein
; - EINECS:204-729-7
; - TCMDC-123951
; - Thymolphthalein [Wiki]
;
Molecular formula:
C31H32N2O13S
CAS# 1611-35-4
5.4
⇌
7.4
pH
Names
English:
- 2,2',2'',2'''-{(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylenenitrilo]}tetraacetic acid(IUPAC)
; - 2,2',2'',2'''-{(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid
; - 2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid(IUPAC)
; - Cresol Phthalexon S
; - EINECS:216-553-8
; - S2VDY878QD
; - Xylenol orange [Wiki]
;
Molecular formula:
C27H20O3
CAS# 6948-88-5
0
⇌
1
8.4
⇌
10
pH
Names
English:
- 1-Naphthalenemethanol, 4-hydroxy-α-(4-hydroxy-1-naphthalenyl)-α-phenyl-(CAS)
; - 4,4'-[Hydroxy(phenyl)methylene]di(1-naphthol)(IUPAC)
; - 4-[hydroxy-(4-hydroxynaphthalen-1-yl)-phenylmethyl]naphthalen-1-ol
; - EINECS:230-116-9
; - Fluka 70480
; - p-Naphtholbenzein
; - α-Naphtholbenzein
;
Molecular formula:
C6H3N3O7
CAS# 88-89-1
0
⇌
1.3
pH
Names
English:
- 1-Hydroxy-2,4,6-trinitrobenzene
; - 2,4,6-Trinitrophenol(IUPAC)
; - 2,4,6-trinitro-1-phenol
; - 2-hydroxy-1,3,5-trinitrobenzene
; - Acide picrique
; - C.I. 10305
; - Carbazotic Acid
; - Melinite
; - NA 1344
; - Nitroxanthic acid
; - PA
; - Phenol, 2,4,6-trinitro-(CAS)
; - Picral
; - Picric acid [Wiki]
; - TNP
; - UN 0154
; - UN 1344
; - UN3364
; - phenol trinitrate
; - picronitric acid
; - trinitrophenol
;
Molecular formula:
C26H33Cl2N3
CAS# 82-94-0
0.1
⇌
2
pH
Names
English:
- (4-{[4-(Dimethylamino)phenyl][4-(trimethylammonio)phenyl]methylene}-2,5-cyclohexadien-1-ylidene)(dimethyl)ammonium dichloride(IUPAC)
; - 4-{[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl}-n,n,n-trimethylanilinium dichloride
; - 6P7U4T9BXA
; - Benzenaminium, 4-((4-(dimethylamino)phenyl)(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)methyl)-N,N,N-trimethyl-, dichloride
; - Benzenaminium, 4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N,N,N-trimethyl-, chloride (1:2)(CAS)
; - C.I. 42585
; - C.I. BASIC BLUE 20
; - EINECS:201-447-6
; - EINECS:238-920-1
; - Methyl Green [Wiki]
; - [4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-trimethylazanium;dichloride(IUPAC)
;
Molecular formula:
C18H15N3
CAS# 101-75-7
1.1
⇌
2.8
pH
Names
English:
- 4-(Phenylazo)diphenylamine
; - 4-Anilinoazobenzene
; - Benzenamine, N-phenyl-4-(2-phenyldiazenyl)-(CAS)
; - EINECS:202-972-3
; - N-Phenyl-4-(phenyldiazenyl)aniline(IUPAC)
; - N-phenyl-4-(phenylazo)aniline
; - N1-phenyl-4-(2-phenyldiaz-1-enyl)aniline
; - benzeneazodiphenylamine
; - diphenylamine, 4-phenylazo-
; - p-Phenazodiphenylamine
;
Molecular formula:
C23H22O5S
CAS# 125-31-5
1.2
⇌
1.8
8
⇌
9.6
pH
Names
English:
- 1,4-Dimethyl-5-hydroxybenzenesulfonephthalein
; - 1,4-Dimethyl-5-hydroxybenzenesulfonphthalein
; - 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2,5-dimethylphenol)(IUPAC)
; - 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2,5-dimethylphenol)-S,S-dioxide
; - BRA8Z80WK7
; - EINECS:204-736-5
; - Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,5-dimethyl-(CAS)
; - Xylenol Blue
; - [125-31-5]
; - a,4,4'-Trihydroxy-2,5,2',5'-tetramethyltriphenylmethane-2''-sulfonic Acid g-Sultone
; - p-Xylenesulfonephthalein
; - p-Xylenolsulfonephthalein
; - p-Xylenolsulfonphthalein
; - p-Xylenolsulfophthalein
;
Molecular formula:
C24H26O6
CAS# 1755-51-7
1.2
⇌
3.2
pH
Names
English:
- 2,2',2'',4,4'-pentamethoxytrityl alcohol
; - Benzenemethanol, α-(2,4-dimethoxyphenyl)-2,4-dimethoxy-α-(2-methoxyphenyl)-
; - Bis(2,4-dimethoxyphenyl)(2-methoxyphenyl)methanol(IUPAC)
; - EINECS:217-146-8
; - Pentamethoxy Red
; - [1755-51-7]
; - bis(2,4-dimethoxyphenyl)-(2-methoxyphenyl)methanol
;
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