CAS No.135-51-3,Disodium 2-naphthol-3,6-disulfonate Suppliers,MSDS download

Products Categories

Pharmaceutical (35)
Organic Chemicals (26)
Others (26)
Reagent (10)
Dyestuff and Pigment (5)
Materials (2)
Plant Extract (1)

Basic Information

Molecular Structure:
CAS No.:	135-51-3
Name:	Disodium 2-naphthol-3,6-disulfonate

Formula:	C₁₀H₆Na₂O₇S₂
Molecular Weight:	348.265
Synonyms:	2,7-Naphthalenedisulfonicacid, 3-hydroxy-, disodium salt (8CI,9CI);2-Hydroxy-3,6-naphthalenedisulfonicacid disodium salt;2-Naphthol-3,6-disulfonic acid disodium salt;Disodium2-hydroxy-3,6-naphthalenedisulfonate;Fericon;R Salt;
EINECS:	205-196-3
Melting Point:	107oC
Solubility:	Soluble in water
Appearance:	slightly grey solid
Hazard Symbols:	Xi
Risk Codes:	36/38
Safety:	26-36
PSA:	151.39000
LogP:	2.51520

Synthetic route

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

: C32H18Cl2N4O8S3(2-)*2Na(1+)

Conditions

Conditions	Yield
With sodium carbonate; sodium chloride In water 1.) 0-5 deg C, 3 h; 2.) 60 deg C;	82%

: 1359877-34-1
1-adamantyl-(4-aminophenyl)methanone

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 4-(2-(4-(1-adamantylcarbonyl)phenyl)diazenyl)-3-hydroxynaphthalene-2,7-disulfonate disodium

Conditions

Conditions	Yield
Stage #1: 1-adamantyl-(4-aminophenyl)methanone With hydrogenchloride; sodium nitrite In water for 0.25h; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt With sodium hydroxide In water for 0.25h;	76%

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: sodium 5-aminonaphthalene-1-sulfonate

: C20H11N2O10S3(3-)*3Na(1+)

Conditions

Conditions	Yield
Stage #1: sodium 5-aminonaphthalene-1-sulfonate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt In water at 0 - 5℃; pH=9 - 10;	71%

: 1359877-36-3
1-adamantyl-(3-aminophenyl)methanone

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 4-(2-(3-(1-adamantylcarbonyl)phenyl)diazenyl)-3-hydroxynaphthalene-2,7-disulfonate disodium

Conditions

Conditions	Yield
Stage #1: 1-adamantyl-(3-aminophenyl)methanone With hydrogenchloride; sodium nitrite In water for 0.25h; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt With sodium hydroxide In water for 0.25h;	71%

: 553-26-4
4,4'-bipyridine

: cobalt(II) nitrate hexahydrate

: 7732-18-5
water

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: [{Co(4,4’-bipyridine)(H2O)4}.(3-hydroxy-2,7-naphthalenedisulfonate)·2H2O]n

Conditions

Conditions	Yield
In methanol at 20℃; for 0.166667h;	70%

...Expand

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: Sodium 2-aminonaphthalene-6-sulfonate

: C20H11N2O10S3(3-)*3Na(1+)

Conditions

Conditions	Yield
Stage #1: Sodium 2-aminonaphthalene-6-sulfonate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt In water at 0 - 5℃; pH=9 - 10;	63%

: 58306-87-9
sodium 2-amino-5-naphthalenesulfonate

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: C20H11N2O10S3(3-)*3Na(1+)

Conditions

Conditions	Yield
Stage #1: sodium 2-amino-5-naphthalenesulfonate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt In water at 0 - 5℃; pH=9 - 10;	62%

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 28907-84-8
sodium 5-aminonaphthalene-2-sulfonate

: C20H11N2O10S3(3-)*3Na(1+)

Conditions

Conditions	Yield
Stage #1: sodium 5-aminonaphthalene-2-sulfonate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt In water at 0 - 5℃; pH=9 - 10;	57%

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 214360-73-3
4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline

: 1-(4-boronophenylazo)-2-hydroxy-3,6-naphthalenedisulfonic acid disodium salt

Conditions

Conditions	Yield
Stage #1: 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline With hydrogenchloride; sodium nitrite for 0.25h; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt In water at 0 - 20℃; Further stages.;	33%
Stage #1: 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline With hydrogenchloride; sodium nitrite In water at 0℃; for 0.5h; Stage #2: 3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt With sodium hydroxide In water for 0.75h; pH=6;	21.8%

: 135-51-3
3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

: 13954-50-2
3,3'-dimethyl-biphenyl-4,4'-bisdiazonium; dichloride

: 7585-39-9
β‐cyclodextrin

: C42H70O35*C34H22N4O14S4(4-)*4Na(1+)

Conditions

Conditions	Yield
With sodium carbonate	6%

...Expand

Total:82 Page 1 of 3 1 2 3 Next>>

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 135-51-3

Chemistry

IUPAC Name: Disodium 3-hydroxynaphthalene-2,7-disulfonate
Canonical SMILES: C1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
InChI: InChI=1S/C10H8O7S2.2Na/c11-9-4-6-1-2-8(18(12,13)14)3-7(6)5-10(9)19(15,16)17;;/h1-5,11H,(H,12,13,14)(H,15,16,17);;/q;2*+1/p-2
Empirical Formula: C₁₀H₆Na₂O₇S₂
Molecular Weight: 348.26
EINECS: 205-196-3
Classification Code: Reproductive Effect
Stability: Stable. Incompatible with strong oxidizing agents.
H-Bond Donor: 1
H-Bond Acceptor of R salt (CAS NO.135-51-3): 7

Uses

R salt (CAS NO.135-51-3) is used for the system of food coloring, azo dyes, photosensitive copying paper. It is used as a fluorescent indicator, but also for the synthesis of azo dyes and used for the production of edible pigment, azo dyes, photosensitive copy paper.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SO_x and Na₂O.
Hazard Codes: Irritant Xi
Risk Statements:
R36/38:Irritating to eyes and skin .
Safety Statements:
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany: 3
RTECS: QJ6477000

Specification

R salt (CAS NO.135-51-3), its Synonyms are 2-Naphthol-3,6-disulfonic acid sodium salt ; 2-Naphthol-3,6-disulfonic acid, disodium salt ; 3-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt ; 3-Hydroxynapthlene-2,7-disulfonic acid sodium salt ; Disodium 2-hydroxy-3,6-naphthalene disulfonate ; Disodium 2-naphthol-3,6-disulfonate ; Fericon ; Ferricon ; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-, disodium salt ; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-, sodium salt (1:2) . It is slightly grey solid.