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PERCHLORIC ACID
PERCHLORIC ACID
- CAS:
- 7601-90-3
- MF:
- ClHO4
- MW:
- 100.46
Properties
- Melting point:
- -18 °C
- Boiling point:
- 203 °C
- Density
- 1.664 g/mL at 25 °C
- vapor density
- ~2.1 (vs air)
- vapor pressure
- 6.8 mm Hg ( 25 °C)
- refractive index
- 1.419
- Flash point:
- 104 °F
- storage temp.
- Flammables area
- solubility
- Water (Sparingly)
- pka
- -7[at 20 ℃]
- form
- Solution
- color
- APHA: ≤10
- Specific Gravity
- approximate 1.54
- Odor
- Odorless
- PH
- 0.1 (H2O, 20°C)
- Water Solubility
- Miscible with water.
- Merck
- 14,7153
- Stability:
- Stable. Avoid heat. May form explosive peroxides. Incompatible with a wide variety of substances, including organic materials, alcohols, amines, strong acids, strong bases, acid anhydrides, finely powdered metals, strong reducing agents. Contact with wood, paper and other celullose products may lead to explosion, as may contact with a vari
- InChIKey
- VLTRZXGMWDSKGL-UHFFFAOYSA-N
- LogP
- -4.62
- CAS DataBase Reference
- 7601-90-3(CAS DataBase Reference)
- NIST Chemistry Reference
- Perchloric acid(7601-90-3)
- EPA Substance Registry System
- Perchloric acid (7601-90-3)
Safety Information
- Symbol(GHS)
GHS03,GHS05,GHS07,GHS08
- Signal word
- Danger
- Hazard statements
- H271-H290-H302-H314-H373
- Precautionary statements
- P210-P280-P301+P312-P303+P361+P353-P305+P351+P338-P314
- Hazard Codes
- C,O,Xi
- Risk Statements
- 5-8-35-10-34-36/38
- Safety Statements
- 23-26-36-45-36/37/39
- RIDADR
- UN 2920 8/PG 2
- WGK Germany
- 1
- RTECS
- SC7500000
- F
- 3
- Autoignition Temperature
- 485 °C
- TSCA
- Yes
- HS Code
- 3822 00 00
- HazardClass
- 8
- PackingGroup
- II
- Hazardous Substances Data
- 7601-90-3(Hazardous Substances Data)
- Toxicity
- LD50 oral (rat) 1100 mg/kg
LD50 oral (dog) 400 mg/kg
Use
Cold 70% perchloric acid is a strong acid but is not considered to be a strong oxidizing agent; however, more concentrated solutions are good oxidizers. Temperature increases the oxidizing power of perchloric acid, and hot concentrated solutions are very dangerous. Evaporation of a spill of the 70% solution may lead to the formation of more dangerous concentrations. Reaction of 70% perchloric acid with cellulose materials such as wood, paper, and cotton can produce fires and explosions. Oxidizable organic compounds including alcohols, ketones, aldehydes, ethers, and dialkyl sulfoxides can react violently with concentrated perchloric acid. All perchlorates are potentially hazardous when in contact with reducing agents.
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