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8.45127 EMD Millipore

Chlorosulfonic acid

Chlorosulfonic acid Msynth®plus. CAS 7790-94-5, pH < - 1 (H₂O, 20 °C) Aqueous solution,(rigorous decomposition)., Msynth®plus

  • CAS Number 7790-94-5

  • Linear Formula HClO₃S

  • Molecular Weight 116.53 g/mol

  •  EC Number 232-234-6

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Synthetic Reagents
packaging   1 l in Glass bottle (8451271000)
  250 ml in Glass bottle (8451270250)
  300 kg in Barrel stainl. st. (8451279300)
bp   152 °C (1013 hPa) (decomposition)
vapor pressure   3.08 hPa (20 °C)
density   1.75 g/cm3 (20 °C)
mp   -80 °C
pH   <1 (H₂O, 20 °C) Aqueous solution,(rigorous decomposition)
LD 50 oral   LD50 Rat 50 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Colour (visual): colourless
  Appearance of substance (visual): clear
  Assay (acidimetric): ≥ 98.0 %
  Free SO₃: ≤ 1.0 %
  The analysis of residual solvents is not possible due to the physicochemical properties of the material.

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Safety & Documentation

Safety Information

HS Code 
2806 20 00
Hazard Statement(s) 
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
EUH014: Reacts violently with water.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
RTECS 
FX5730000
Storage class 
8B Non-combustible, corrosive hazardous materials
WGK 
WGK 1 slightly water endangering
Disposal 
11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 1754 , 8, I
Declaration (transport by air) IATA-DGR 
UN 1754 , 8,
Declaration (transport by sea) IMDG-Code 
UN 1754 , 8, I, Segregation Group: 1 (Acids)
Categories of danger 
corrosive
R Phrase 
R 14-35-37
Reacts violently with water.Causes severe burns.Irritating to respiratory system.
S Phrase 
S 26-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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