7440-25-7(Tantalum)
Product Description
7440-25-7
CAS No.
7440-25-7
Chemical Name:
Tantalum
CBNumber:
CB3367656
Molecular Formula:
Ta
Formula Weight:
180.95
MOL File:
Mol file
Tantalum Synonyms:
TA000130
TA000349
TA007501
TA007095
TA000320
TA000450
TA007926
TA000586
Tantalum
Property
Melting point:
2996 °C (lit.)
Boiling point:
5425 °C (lit.)
Density
16.69 g/cm3 (lit.)
vapor pressure
<0.01 mm Hg ( 537.2 °C)
storage temp.
no restrictions.
solubility
reacts with HF
form
wire
color
Gray to silver
Specific Gravity
16.6
Resistivity
13.5 μΩ-cm, 20°C
Water Solubility
very resistant to attack by acids except HF, resistant to alkali solutions [KIR83]
Merck
13,9143
Exposure limits
ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3)
Stability:
Stable. Powder is very flamable.
InChIKey
GUVRBAGPIYLISA-UHFFFAOYSA-N
LogP
-1 at 20℃
CAS DataBase Reference
7440-25-7(CAS DataBase Reference)
EPA Substance Registry System
Tantalum (7440-25-7)
Safety
Hazard Codes :
F,Xi,Xn,C
Risk Statements :
11-36/37/38-20/21/22-40-34-36/38
Safety Statements :
16-26-33-36/37/39-36-45-27-36/37
RIDADR :
UN 3089 4.1/PG 2
OEB:
B
OEL:
TWA: 5 mg/m3, STEL: 10 mg/m3
WGK Germany :
-
RTECS :
WW5505000
Autoignition Temperature:
572 °F
TSCA :
Yes
HazardClass :
4.1
PackingGroup :
II
HS Code :
8103909000
Hazardous Substances Data:
7440-25-7(Hazardous Substances Data)
IDLA:
2,500 mg Ta/m3
Tantalum
Suppliers
Global( 216)Suppliers
Belgium 1
Canada 1
China 130
Europe 2
France 1
Germany 7
India 18
Japan 6
Russia 1
Switzerland 1
United Kingdom 9
United States 39
Global 216
Supplier
Tel
Email
Country
ProdList
Advantage
Shanghai bike new material technology co., LTD
021-34790086
17317635738@163.com
China
490
58
Forsman Scientific ( Beijing ) Co., Ltd.
13811783941
linwp@forsman.com.cn
China
851
58
Hubei huizepu Pharmaceutical Technology Co., Ltd
027-0185-0185-07139096-265
18507139096@163.com
China
3011
58
Shanghai Liantian Material Technology Co., Ltd.
021-1337006-6691
3692356620@qq.com
China
139
58
Beijing Minruida Technology Co., Ltd.
010-82387566
sales@mreda.com.cn
China
10789
58
SHANGHAI KEAN TECHNOLOGY CO., LTD.
cooperation@kean-chem.com
China
40066
58
Hebei Zhentian Food Additives Co., Ltd.
0319-5925599
13933732699@163.com
China
12185
58
Wuhan Hongde Yuexin Pharmatech Co.,Ltd
027-83855393
3306264753@qq.com
China
3036
58
7440-25-7(Tantalum)
Related Search:
TA000130
TA000349
TA007501
TA007095
TA000320
TA000450
TA007926
TA000586
TA000480
TA007920
TA000356
TA000410
TA007915
TA000360
TA005140
TA005120
TA000347
TA007935
TA007090
TA005100
TA005135
TA005160
TA005155
TA007940
TA007250
TA000424
TA007030
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TA007930
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TA005110
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