FUMING SULFURIC ACID suppliers
FUMING SULFURIC ACID
- CAS:
- 8014-95-7
- MF:
- H2O7S2
- MW:
- 178.14
Company Type
Properties
- Melting point:
- 2 °C
- Boiling point:
- ~290 °C(lit.)
- Density
- 1.925 g/mL at 25 °C(lit.)
- vapor density
- <0.3 (25 °C, vs air)
- vapor pressure
- 1 mm Hg ( 146 °C)
- storage temp.
- Store below +30°C.
- solubility
- H2O: soluble
- pka
- 1.92(at 25℃)
- form
- Liquid
- color
- Colorless
- Specific Gravity
- 1.925
- PH
- <1 (100g/l, H2O, 20℃)
- Water Solubility
- Miscible with water.
- Sensitive
- Hygroscopic
- Merck
- 14,8974
- BRN
- 2037554
- Exposure limits
- ACGIH: TWA 0.2 mg/m3
OSHA: TWA 1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 1 mg/m3
- Dielectric constant
- 84（20.0℃）
- Stability:
- Stable. Incompatible with organic materials, powdered metals, bases, halides. Reacts violently with water. Very hygroscopic.
Safety Information
- Symbol(GHS)
GHS05,GHS06
- Signal word
- Danger
- Hazard statements
- H314-H330-H335
- Precautionary statements
- P260-P271-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
- Hazard Codes
- C
- Risk Statements
- 36/38-37-35-14-34
- Safety Statements
- 26-30-45-36/37/39
- RIDADR
- UN 3264 8/PG 3
- WGK Germany
- 1
- RTECS
- WS5600000
- F
- 3
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- II
- HS Code
- 28070000
Use
Fumes in air. Soluble in water; dissolution generates dangerous amounts of heat that can cause localized boiling and spattering of the acidic mixture and generate heavy fumes. During sulfonation of mononitrobenzene with fuming sulfuric acid, a leak from an internal cooling coil permitted water to enter the reaction tank. A violent eruption occurred due to the heat of solution [MCA Case History 944(1963)].
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