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7440-25-7(Tantalum) Product Description

Tantalum Structure7440-25-7
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     
SupplierTelEmailCountryProdListAdvantage
Shanghai bike new material technology co., LTD 021-3479008617317635738@163.comChina 490 58
Forsman Scientific ( Beijing ) Co., Ltd. 13811783941linwp@forsman.com.cnChina 851 58
Hubei huizepu Pharmaceutical Technology Co., Ltd 027-0185-0185-07139096-26518507139096@163.comChina 3011 58
Shanghai Liantian Material Technology Co., Ltd. 021-1337006-66913692356620@qq.comChina 139 58
Beijing Minruida Technology Co., Ltd. 010-82387566sales@mreda.com.cnChina 10789 58
SHANGHAI KEAN TECHNOLOGY CO., LTD.  cooperation@kean-chem.comChina 40066 58
Hebei Zhentian Food Additives Co., Ltd. 0319-592559913933732699@163.comChina 12185 58
Wuhan Hongde Yuexin Pharmatech Co.,Ltd 027-838553933306264753@qq.comChina 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 TA000472 TA000555 TA007930 TA006100 TA005110 Tantalum rod, 6.35mm dia., 99.95% trace metals basis Tantalum foil50x100mm Tantalum foil50x500mm Tantalum foil100x150mm Tantalum powder, 99.95% trace metals basis Tantalum foil150x200mm Tantalum foil50x2000mm Tantalum plate50x50mm Tantalum solution Tantalum foil (Ta) Tantalum pellet (Ta) Tantalum powder (Ta) Tantalum rod (99.95%) Tantalum wire (99.95%) Tantalum wire (99.95%) 1mm dia. (ca. 13g/m) TantalumfoilNmmthickcagxmm TantalumpowderNppmNbmesh TantalumrodNmmdiacagcm Tantalumwiremmdia TantalumwireNmmdiacagm TANTALUM THINFOIL, 0.005MM (0.0002IN) THICK, 99.9% (METALS B TANTALUM POWDER -325 MESH ( 4 UM ) 99.95+% (METALS BASIS) ELECTRONIC GRADE TANTALUM ROD (99.95%) 6.35MM DIA (APPROX. 5.1G CM) TANTALUM GAUZE, 50 MESH WOVEN FROM 0.076MM (0.003IN) DIA WIR TANTALUM TUBING 30MM DIA 99.9% (METALS BASIS) TANTALUM ALLOY FOIL
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