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1-(2-hydroxy-ethyl)-2,3,3-trimethyl-3H-indolium;
iodide
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CAS Number: 50839-66-2
Molecular Formula: C13H18NOI
Molecular Weight：204.29
Mp：162－163℃
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| 1,2,3,3-Tetramethyl-3H-indolium
iodide |
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Synonym：1,2,3,3-Tetramethyl-3H-indolium
iodide (6CI,7CI); 1,2,3,3-Tetramethylindolium iodide; 2,3,3-Trimethyl-3H-indole
methiodide
CAS Number: 5418-63-3
Molecular Formula: C12H16IN
Molecular Weight：301.17
Mp：258℃
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1,3,3-Trimethylspiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine]
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Synonym:Spiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine],1,3,3-trimethyl-(8CI);1,3-Dihydro-1,3,3-trimethylspiro[2H]-indole-2,3'-[3H]naphth[2,1-b][1,4]oxazine;Photorom
I; Photorome I; Variacrol Blue A
CAS Number: 27333-47-7
Molecular Formula:C22 H20 N2 O
Molecular Weight： 328.41
Mp：123－125℃
Application：Photochromic dye
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| 3',3'-Dimethyl-1'-(-hydroxyethyl)-6-nitrospiro[2H-1-benzopyran-2,2'-indoline]
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Synonym:Spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol,
3',3'-dimethyl-6-nitro- (8CI);
CAS Number: 16111-07-2
Molecular Formula: C20 H20 N2 O4
Molecular Weight： 352
mp：166－167℃
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3,3-diphenyl-3H-benzo[f]chromene
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Symonym: 2,2-Diphenyl-5,6-benzo(2H)chromene;
Variacrol Yellow L
CAS Number: 4222-20-2
Molecular Formula: C25H18O
Molecular Weight：334.42
Mp：161－162℃
Application：Photochromic dye
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| 2,3,3-Trimethylindolenine |
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Synonym ：2,3,3-Trimethyl-3H-indole
CAS Nmber:1640-39-7
Beilstein Registry Number ：119740
Molecular Formula：C11 H13 N
Molecular Weight：159
Density: 0.992 g/mL
Appearance : oil-like liquid
Colour : light yellow
Purity : 98.0%
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4-mercapto-phenol
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Synonym: Phenol, p-mercapto- (6CI,7CI,8CI);
4-Hydroxybenzenethiol; 4-Hydroxythiophenol; Monothiohydroquinone;
NSC 46192; Thiohydroquinone; p-Hydroxybenzenethiol; p-Hydroxythiophenol;
p-Mercaptophenol
CAS Number: 637-89-8
Beilstein Registry Number :2039306
Molecular Formula: C6H6OS
Molecular Weight：126.17
Mp:33-35°C
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3H-naphtho[2,1-b]pyran-3-one
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Symonym:
1-Naphthaleneacrylic acid, 2-hydroxy-, ?-lactone (6CI);
?-Naphthocoumarin; 2-Propenoic acid, 3-(2-hydroxy-1-naphthalenyl)-,
?-lactone; 5,6-Benzocoumarin; Benzo[f]chromen-3-one
CAS Number: 4352-89-0
Molecular Formula: C13H8O2
Molecular Weight：196.21
Mp：117－119℃ |
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| Biphenyl-4,4'-dithiol
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Synonym ：4,4′-Dimercaptobiphenyl
CAS Number: 6954-27-4
Molecular Formula: C12H10S2
Molecular Weight：218.33
Mp:165-174 °C
Color:Blaetter
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Hydroxylamine-O-Sulfonic
Acid
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CAS No.:2950-43-8
Molecular formula:H3NO4S
Molecular weight:113.09
Solubility:easily soluble in water,very easy
moisture absoption
Appearance:white or similar to whitesolid
crystal
content:≥97%
Melting point:208~201°C
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| 3-(Trifluoromethyl)phenylhydrazine
hydrochloride |
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CAS Number: 3107-33-3
Molecular Formula: C7H7F3N2.HCl
Molecular Weight：212.6
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