HAFNIUM
HAFNIUM
- CAS:
- 7440-58-6
- MF:
- Hf
- MW:
- 178.49
Suppliers by country/region
Company Type
Properties
- Melting point:
- 2227 °C (lit.)
- Boiling point:
- 4602 °C (lit.)
- Density
- 13.3 g/cm3 (lit.)
- storage temp.
- Store at +15°C to +25°C.
- solubility
- soluble in HF
- form
- wire
- Specific Gravity
- 13.31
- color
- Silver-gray
- Resistivity
- 29.6 μΩ-cm, 0°C
- Water Solubility
- soluble HF; slowly reacts with conc H2SO4, aqua regia [KIR80]
- Merck
- 13,4603
- Exposure limits
- ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3)
- Stability:
- Stable. Incompatible with oxygen, sulfur, strong oxidizing agents, halogens, phosphorus, strong acids. Highly flammable.
- InChIKey
- VBJZVLUMGGDVMO-UHFFFAOYSA-N
Safety Information
- Symbol(GHS)
GHS02
- Signal word
- Danger
- Hazard statements
- H228
- Precautionary statements
- P210-P240-P241-P280-P370+P378
- Hazard Codes
- F,Xn,T
- Risk Statements
- 11-20/21/22-34-23/24/25
- Safety Statements
- 9-16-26-27-33-36-36/37/39-45-28
- RIDADR
- UN 3178 4.1/PG 3
- OEB
- C
- OEL
- TWA: 0.5 mg/m3 [*Note: The REL also applies to other hafnium compounds (as Hf).]
- WGK Germany
- -
- RTECS
- MG4600000
- TSCA
- Yes
- HS Code
- 3822 00 00
- HazardClass
- 8
- PackingGroup
- III
- IDLA
- 50 mg Hf/m3
Use
Hafnium is a good absorber of neutrons and is used to make control rods, such as those found in nuclear submarines. It also has a very high melting point and because of this is used in plasma welding torches.
2 India supplier list of "HAFNIUM"
- Product Name:HafniumICPstandard
- Products Intro:Brand:sigma aldrich | Product Number:1.70322 | Purity:traceabletoSRMfromNISTHfCl?inHCl7%1000mg/lHfCertipur?
- Company Type: Trader
- Country/Region: Bangalore,INDIA
- Product Name:Hafniumpieces,4-10mm
- Products Intro:Brand:ottokemi | Product Number:H0693 | Purity:99.9%
- Company Type: Trader
- Country/Region: Mumbai,INDIA
- Product Name:hafnium
- Products Intro:Brand:thermofisher.in | Product Number:ALF-039683-18 | Purity:99.9%
- Company Type: Trader
- Country/Region: Maharashtra,INDIA
- Product Name:Hafnium Micropowder
- Company Type: Reagent
- Country/Region: Uttar Pradesh,INDIA
- Product Name:HafniumMicroPowder
- Products Intro:Brand:chemazone.in | Product Number:125835811 | Purity:99.9%
- Company Type: Trader
- Country/Region: Punjab,INDIA
- Product Name:HAFNIUM
- Company Type: Reagent
- Country/Region: Delhi,INDIA
- Product Name:HAFNIUM
- Products Intro:Purity: >=99% | Package: 1.8KG;9.8USD
- Company Type: Trader
- Country/Region: CHINA
$9.80/ 1.8KG
- Product Name:Hafnium atomic absorption standard solution
- Company Type: Reagent
- Country/Region: CHINA
- Main Products: Gamma-butyrolactone
- Product Name:HAFNIUM
- Products Intro:Purity: 99.00% | Package: 25kgs/Drum;200kgs/Drum | CustNote: ISO 9001：2015 REACH Approved Manufacturer
- Company Type: Trader
- Country/Region: CHINA
- Product Name:hafnium powder
- Products Intro:Purity: 0.99 | Package: 25KG;5KG;1KG
- Company Type: Trader
- Country/Region: CHINA