| cim
paub | Suav lub npe. | Barium; Barium hlau |
| Lub npe Askiv. | Barium | |
| Cov mis mos molecular. | Ba | |
| Molecular hnyav. | 137.33 Nws | |
| CAS Nr:. | 7440-39-3 : kuv | |
| RTECS No.: | qw 8370000 | |
| UN No.: | 1400 (bariumthiabbarium hlau) | |
| Dangerous Khoom No. | ib 43009 | |
| IMDG Txoj Cai Page: | ib 4332 | |
| vim li cas hloov xwm zoo | Cov tsos thiab cov khoom. | Lustrous silvery-dawb hlau, daj thaum muaj nitrogen, me ntsis ductile. Malleable, odorless |
| Kev siv tseem ceeb. | Siv hauv kev tsim cov ntsev barium, kuj siv los ua tus neeg sawv cev degassing, ballast thiab degassing alloy. UN: 1399 (barium alloy) UN: 1845 (barium alloy, spontaneous combustion) | |
| Melting point. | 725 ib | |
| Boiling point. | 1640 | |
| Relative density (dej = 1). | 3.55 ib | |
| Cov txheeb ze ntom ntom (air = 1). | Tsis muaj ntaub ntawv | |
| Saturated vapor siab (kPa): | Tsis muaj ntaub ntawv | |
| Solubility. | Insoluble nyob rau hauv cov kuab tshuaj. Cov | |
| Qhov ntsuas kub tseem ceeb (°C). | ||
| Critical siab (MPa): | ||
| combustion kub (kj / mol): | Tsis muaj ntaub ntawv | |
| hlawv hlawv tawg tawg txaus ntshai txaus ntshai xwm | Cov xwm txheej kom zam dhau qhov raug. | Tiv tauj nrog huab cua. |
| Flammability. | Flamable | |
| Building Code Fire Hazard Classification. | A | |
| Flash Point (℃). | Tsis muaj ntaub ntawv | |
| Tus kheej qhov kub thiab txias (°C). | Tsis muaj ntaub ntawv | |
| Tsawg tawg txwv (V%): | Tsis muaj ntaub ntawv | |
| Upper explosive limit (V%): | Tsis muaj ntaub ntawv | |
| Cov yam ntxwv txaus ntshai. | Nws muaj cov tshuaj tiv thaiv kev ua haujlwm siab thiab tuaj yeem ua rau tawg thaum rhuab saum nws cov ntsiab lus melting. Nws tuaj yeem cuam tshuam nrog oxidizing tus neeg sawv cev thiab ua rau combustion lossis tawg. Reacts nrog dej los yog kua qaub tso tawm hydrogen thiab cua sov, uas yuav ua rau combustion. Nws tuaj yeem hnov mob hnyav nrog fluorine thiab chlorine. Cov | |
| Combustion (decomposition) cov khoom. | Barium oxide. Cov | |
| Kev ruaj ntseg. | Tsis ruaj khov | |
| Polymerization txaus ntshai. | Yuav tsis muaj | |
| Contraindications. | Muaj zog oxidizing agents, oxygen, dej, cua, halogens, bases, acids, halides. , thiab | |
| Txoj kev tua hluav taws. | Sandy av, qhuav hmoov. Txwv tsis pub dej. Ua npuas ncauj raug txwv. Yog tias cov khoom siv los yog cov dej tsis huv nkag mus rau hauv txoj kev dej, ceeb toom rau cov neeg siv dej hauv qab kom muaj kev sib kis hauv dej, ceeb toom rau cov neeg saib xyuas kev noj qab haus huv hauv zos thiab tua hluav taws thiab tub ceev xwm tswj kev ua qias tuaj. Cov hauv qab no yog ib daim ntawv teev cov hom kab mob ntau tshaj plaws | |
| Ntim thiab khaws cia thiab kev thauj mus los | Hazard qeb. | Chav Kawm 4.3 Cov khoom ntub dej tawg |
| Cuam tshuam cov ntaub ntawv ntawm cov tshuaj lom neeg | Cov tshuaj thiab cov khoom sib tov uas, nyob rau hauv kev sib cuag nrog dej, emit flammable gases, qeb 2 Cov tawv nqaij corrosion / khaus, Qeb 2 Mob qhov muag puas / qhov muag khaus, qeb 2 Kev puas tsuaj rau ib puag ncig dej - kev puas tsuaj mus sij hawm ntev, qeb 3 | |
| Kev phom sij ntawm cov khoom ntim khoom. | 10 | |
| Hom pob. | Ⅱ | |
| Kev ceev faj cia thiab kev thauj mus los. | Khaws rau hauv ib chav qhuav, huv si. Khaws cov txheeb ze av noo qis dua 75%. Khaws kom deb ntawm hluav taws thiab cua sov. Tiv thaiv los ntawm tshav ntuj ncaj qha. Khaws lub thawv kaw. Kov hauv argon gas. Khaws rau hauv cov thawv cais nrog oxidizers, fluorine thiab chlorine. Thaum tuav, thauj khoom thiab tshem tawm maj mam txhawm rau tiv thaiv kev puas tsuaj rau pob thiab ntim. Nws tsis haum rau kev thauj mus los hauv hnub los nag. ERG Qhia: 135 (Barium alloy, nws tus kheej igniting) | |
| toxicological txaus ntshai | Kev txwv tsis pub dhau. | Tuam Tshoj MAC: tsis muaj tus qauv Soviet MAC: tsis muaj tus qauv TWA; ACGIH 0.5 mg/m3 American STEL: tsis muaj tus qauv OSHA: TWA: 0.5mg/m3 (calculated by barium) |
| Txoj kev invasion. | Noj | |
| Toxicity. | First Aid. Spontaneous combustion articles (135): Tsiv tus neeg mob mus rau qhov chaw uas muaj huab cua ntshiab rau kev kho mob. Yog tias tus neeg mob nres ua pa, muab kev ua pa tawm dag zog. Yog ua pa nyuaj, muab cov pa oxygen. Tshem tawm thiab cais cov khaub ncaws thiab khau uas tsis huv. Yog tias daim tawv nqaij lossis qhov muag tiv nrog cov khoom, tam sim ntawd yaug nws nrog dej tsawg kawg 20 feeb. Cia tus neeg mob sov thiab nyob ntsiag to. Xyuas kom cov neeg ua haujlwm kho mob nkag siab txog kev paub txog kev tiv thaiv tus kheej ntsig txog cov khoom no thiab ua tib zoo saib xyuas lawv tus kheej kev tiv thaiv. React with water (emit flammable gas) (138): Tsiv tus neeg mob mus rau qhov chaw uas muaj huab cua ntshiab rau kev kho mob. Yog tias tus neeg mob nres ua pa, muab kev ua pa tawm dag zog. Yog ua pa nyuaj, muab cov pa oxygen. Tshem tawm thiab cais cov khaub ncaws thiab khau uas tsis huv. Yog tias daim tawv nqaij lossis qhov muag tiv nrog cov khoom, tam sim ntawd yaug nws nrog dej tsawg kawg 20 feeb. Cia tus neeg mob sov thiab nyob ntsiag to. Xyuas kom cov neeg ua haujlwm kho mob nkag siab txog kev paub txog kev tiv thaiv tus kheej ntsig txog cov khoom no thiab ua tib zoo saib xyuas lawv tus kheej kev tiv thaiv. | |
| Kev Nyab Xeeb Kev Nyab Xeeb. | Barium hlau yuav luag tsis muaj tshuaj lom. Soluble barium ntsev xws li barium chloride, barium nitrate, thiab lwm yam, tuaj yeem noj tau thiab ua rau muaj kev phom sij loj, nrog rau cov tsos mob ntawm kev zom zaub mov, cov leeg nqaij tuag tes tuag taw, myocardial kev koom tes, cov ntshav tsis muaj poov tshuaj, thiab lwm yam. Kev nqus dej ntau ntawm cov kuab tshuaj barium tuaj yeem ua rau mob hnyav barium lom, kev ua haujlwm zoo ib yam li kev lom ntawm qhov ncauj, tab sis kev zom zaub mov sib dua. Ntev ntev raug rau barium. Cov neeg ua hauj lwm uas tau txais cov tshuaj barium mus sij hawm ntev yuav raug kev txom nyem los ntawm salivation, tsis muaj zog, ua tsis taus pa, o thiab yaig ntawm qhov ncauj mucosa, rhinitis, tachycardia, nce ntshav siab thiab plaub hau poob. Kev nqus tau ntev ntev ntawm cov tshuaj barium insoluble tuaj yeem ua rau barium pneumoconiosis. Kev phom sij rau kev noj qab haus huv (xiav): 1 Flammability (liab): 4 Reactivity (daj): 3 Kev phom sij tshwj xeeb: dej | |
| ceev ceev cawm | Tiv tauj daim tawv nqaij. | Yaug nrog dej ntws. Yaug nrog dej ntws |
| Qhov muag sib cuag. | Tam sim ntawd rub daim tawv muag thiab yaug nrog dej ntws. Yaug nrog dej ntws | |
| Inhalation. | Tshem tawm ntawm qhov chaw mus rau huab cua ntshiab. Ua pa ua pa yog tsim nyog. Nrhiav kev kho mob. , | |
| Noj. | Thaum tus neeg mob tsaug zog, muab dej sov kom ntau, ua kom ntuav, ntxuav lub plab nrog dej sov lossis 5% sodium sulfate tov, thiab ua rau raws plab. Nrhiav kev kho mob. Tus neeg mob yuav tsum tau kho los ntawm kws kho mob | |
| tiv thaiv tiv thaiv tswj ua | Engineering tswj. | Kev txwv tsis pub ua haujlwm. Cov |
| Kev tiv thaiv ua pa. | Feem ntau, tsis tas yuav muaj kev tiv thaiv tshwj xeeb. Thaum lub concentration siab dua NIOSH REL los yog REL tsis tau tsim, ntawm ib qho kev kuaj pom tau pom: tus kheej muaj lub siab zoo puv lub npog ntsej muag, cua muab lub siab zoo tag nrho lub npog ntsej muag ua pa ntxiv los ntawm kev pabcuam tus kheej muaj lub siab ua pa. Kev khiav tawm: huab cua purifying tag nrho lub ntsej muag ua pa (gas mask) nruab nrog lub thawv lim dej, thiab lub tshuab nqus pa tawm ntawm tus kheej. | |
| Kev Tiv Thaiv Qhov Muag. | Tej zaum yuav siv lub qhov ncauj qhov ntswg. Cov | |
| Cov khaub ncaws tiv thaiv. | Hnav khaub ncaws ua haujlwm. | |
| Kev tiv thaiv tes. | Hnav hnab looj tes tiv thaiv yog tias tsim nyog. | |
| Lwm yam. | Kev haus luam yeeb raug txwv nruj heev ntawm qhov chaw ua haujlwm. Ua tib zoo saib xyuas tus kheej kom huv thiab huv. Cov | |
| Kev pov tseg. | Cais tawm thaj chaw uas muaj paug, teeb tsa cov cim ceeb toom nyob ib puag ncig nws thiab txiav tawm qhov hluav taws kub. Tsis txhob kov cov khoom xau ncaj qha, txwv tsis pub txau dej ncaj qha rau cov khoom xau, thiab tsis txhob cia cov dej nkag mus rau hauv lub thawv ntim khoom. Sau rau hauv ib lub thawv qhuav, huv si thiab npog thiab xa mus rau kev rov ua dua tshiab. Environmental Information. EPA cov khoom pov tseg phom sij: D005 Kev tiv thaiv kev tiv thaiv thiab rov qab txoj cai lij choj: Tshooj 261.24, Cov yam ntxwv toxicity, qhov siab tshaj plaws concentration tau teev tseg hauv cov cai yog 100.0mg / L. Txoj Cai Tiv Thaiv Kev Tiv Thaiv thiab Kev Rov Qab Los: Tshooj 261, Cov tshuaj lom los yog tsis tau muab rau. Kev tiv thaiv kev tiv thaiv thiab kev rov qab los: qhov siab tshaj plaws concentration txwv ntawm cov dej saum npoo yog 1.0mg / L. Txoj Cai Tiv Thaiv Kev Tiv Thaiv thiab Rov Qab Los (RCRA): Cov khib nyiab txwv tsis pub muaj av cia. Txoj kev tiv thaiv thiab rov ua kom rov zoo: kev kho cov dej khib nyiab dav dav 1.2mg / L; Tsis yog kua khib nyiab 7.6mg / kg Txoj kev tiv thaiv thiab kev rov qab los: txoj kev pom zoo ntawm cov npe saib xyuas dej saum npoo av (PQL μ g / L) 6010 (20); 7080 (1000). Txoj kev haus dej nyab xeeb: qib siab kawg nkaus (MCL) 2mg/L; Lub hom phiaj siab tshaj plaws ntawm cov pa phem (MCLG) ntawm txoj kev haus dej nyab xeeb yog 2mg / L. Txoj kev npaj xwm txheej kub ntxhov thiab txoj cai hauv zej zog kom paub txog txoj cai lij choj: Tshooj 313 Table R, qhov tsawg kawg nkaus tshaj tawm yog 1.0%. Marine pollutants: Code of Federal Regulations 49, Subclause 172.101, Index B. | |
Post lub sij hawm: Jun-13-2024