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Home > Encyclopedia > 5-Sulfosalicylic acid dihydrate

5-Sulfosalicylic acid dihydrate

5-Sulfosalicylic acid dihydrate structure

5-Sulfosalicylic acid dihydrate 

structure
  • CAS No:

    5965-83-3

  • Formula:

    C7H10O8S

  • Chemical Name:

    5-Sulfosalicylic acid dihydrate

  • Synonyms:

    Benzoicacid,2-hydroxy-5-sulfo-,dihydrate;Salicylic acid, 5-sulfo-, dihydrate;5-Sulfosalicylic acid dihydrate, ACS, 99.0% min.;5-SULFOSALICYLIC ACID DIHYDRATE*ELEC;5-SULFOSALICYLIC ACID DIHYDRATE*ACS REAGENT;5-SULFOSALICYLIC ACID DIHYDRATE, REAGENTPLUS TM, >= 99%;5-SULFOSALICYLIC ACID DIHYDRATE, FOR ELE CTROPHORESIS;5-SULFOSALICYLIC ACID-2-HYDRATE R. G. AN D FOR METAL TITRATION, REAG. ACS

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

white crystalline powder


5-Sulfosalicylic acid is a strong acid capable of protonating water. It forms a new theophylline complex, which was investigated by X-ray photoelectron spectroscopy (XPS). It forms 1:1 proton-transfer compounds with theortho-substituted monocyclic heteroaromatic Lewis bases. Their crystal structures have been studied.


Crystallise the acid from H2O. Alternatively, it is converted to the monosodium salt which is crystallised from H2O and washed with a little H2O, EtOH and then Et2O. The acid is recovered by acidifying. The S-4-chlorobenzylisothiuronium salt has m 181o (from dioxane). [Beilstein 11 H 411, 11 II 232, 11 III 704.]

5-Sulfosalicylic acid dihydrate Basic Attributes

254.21

254.01000

650741

641-618-6

09NGQ462S6

Yes

DTXSID7073983

White

2918 29 00

Characteristics

138.74000

1.28930

white crystalline powder

0,8 g/cm3

105-110 °C(lit.)

100 °C

380.6ºC

SOLUBLE

Store at RT.

<1 hPa (20 °C)

0.62 (vs air)

LD50 orally in Rabbit: 1850 mg/kg

Odorless

<0.5 (200g/l, H2O, 20℃)

Store below +30°C.

Safety Information

8

NONH for all modes of transport

3

Xn,C,Xi

26-45-36/37/39-36

VO6500000

C

Stable, but light sensitive. Incompatible with strong oxidizing agents.

P301 + P312 + P330-P305 + P351 + P338

22-36/37/38-34

UN 3261 8 / PGII

|Danger|H302 (91.47%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 184 companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

5-Sulfosalicylic acid dihydrate Use and Manufacturing

For reducing and fixation of proteins in agarose and polyacrylamide gels


5-Sulfosalicylic acid dihydrate may be used in the preparation of 1:1 proton-transfer organic adduct, 3-aminopyridin-ium 3-carb-oxy-4-hydroxy-benzene-sulfonate monohydrate and the anhydrous adduct.

Computed Properties

Molecular Weight:254.22
Hydrogen Bond Donor Count:5
Hydrogen Bond Acceptor Count:8
Rotatable Bond Count:2
Exact Mass:254.00963845
Monoisotopic Mass:254.00963845
Topological Polar Surface Area:122
Heavy Atom Count:16
Complexity:316
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes

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