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Sulfuric acid
Sulfuric acid
- CAS:
- 7664-93-9
- MF:
- H2O4S
- MW:
- 98.08
Properties
- Melting point:
- 10°C
- Boiling point:
- ~290 °C (lit.)
- Density
- 1.840 g/mL at 25 °C (lit.)
- vapor density
- <0.3 (25 °C, vs air)
- vapor pressure
- 1 mm Hg ( 146 °C)
- Flash point:
- 11 °C
- storage temp.
- no restrictions.
- solubility
- H2O: soluble
- form
- Viscous Liquid
- pka
- -3-2(at 25℃)
- color
- Pale yellow to slight tan
- Specific Gravity
- 1.84
- Odor
- Odorless
- PH
- 2.75(1 mM solution);1.87(10 mM solution);1.01(100 mM solution);
- Water Solubility
- miscible
- Sensitive
- Hygroscopic
- Merck
- 14,8974
- Exposure limits
- TLV-TWA air 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH). .
- Dielectric constant
- 84.0（20℃）
- Stability:
- Stable, but reacts with moisture very exothermically, which may enhance its ability to act as an oxidizing agent. Substances to be avoided include water, most common metals, organic materials, strong reducing agents, combustible materials, bases, oxidising agents. Reacts violently with water - when diluting concentrated acid, carefully and slo
- LogP
- -1 at 25℃
- CAS DataBase Reference
- 7664-93-9(CAS DataBase Reference)
- NIST Chemistry Reference
- Sulfuric acid(7664-93-9)
- EPA Substance Registry System
- Sulfuric acid (7664-93-9)
Safety Information
- Symbol(GHS)
GHS05
- Signal word
- Danger
- Hazard statements
- H290-H314
- Precautionary statements
- P234-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
- Hazard Codes
- C,T,F,Xi
- Risk Statements
- 36/38-35-39/23/24/25-23/24/25-11
- Safety Statements
- 26-30-45-36/37-16
- OEB
- C
- OEL
- TWA: 1 mg/m3
- RIDADR
- UN 3264 8/PG 3
- WGK Germany
- 1
- RTECS
- WS5600000
- F
- 3
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- II
- HS Code
- 28070010
- Hazardous Substances Data
- 7664-93-9(Hazardous Substances Data)
- Toxicity
- LD50 orally in rats: 2.14 g/kg (Smyth)
- IDLA
- 15 mg/m3
Use
Sulfuric acid has many uses in different industries, such as fertilizer production, metal production, mineral processing, petroleum refining, wastewater processing, etc. It is also used in the production of cleaning agents, dyes, pigments, drugs, detergents, and explosives. It is commonly used as the electrolyte in lead-acid batteries.
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