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Barium sulfate CAS 13462-86-7 Kiʻi Hōʻikeʻike
  • Barium sulfate CAS 13462-86-7 1

Barium sulfate CAS 13462-86-7

Waiwai Kemika:

ʻĀpana Molekala BaO4S
Molar Mass 233.39
ʻO ka mānoanoa 4.5
Lae hehee 1580 °C
Lae Boling decomposes ma 1580 ℃ [KIR78]
Hiki i ka wai 0.0022 g/L (50 ºC)
Ka hoʻoheheʻe wai: hiki ʻole ke hoʻoheheʻe
Ka nana aku Pauda keʻokeʻo
Kaumaha Kūikawā 4.5
kalakala Keʻokeʻo a melemele
Palena Hōʻike ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Hoʻoheheʻe Huahana Mau (Ksp) pKsp: 9.97
ʻO Merck 14,994
PH 3.5-10.0 (100g/l, H2O, 20 ℃) ​​hoʻomaha
Kūlana Waihona ʻO ka mahana mālama: ʻaʻohe palena.
Paʻa Paʻa.
Pilikino Hoʻopaʻa maʻalahi i ka makū
MDL MFCD00003455
Na Waiwai Kino a Kimia waiwai ʻole kala ʻole orthorhombic crystal a i ʻole ka pauka keʻokeʻo.
helu hehee 1580 ℃
pili pili 4.50(15 ℃)
ʻaneʻane hiki ʻole ke hoʻoheheʻe ʻia i ka wai, ethanol a me ka waikawa. Hiki ke hoʻoheheʻe ʻia i loko o ka ʻakika sulfuric wela.
ʻeleʻele orthorhombic ʻeleʻele a i ʻole ka pauka amorphous keʻokeʻo. 4.50 (15 degere C). Ka helu hehee 1580 °c. Hoʻololi ʻia ka polycrystalline ma kahi o 1150 °c. Hoʻomaka ka decomposition nui ma kahi o 1400 °c. Paʻa kemika. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, ethanol a me nā waikawa. Hiki ke hoʻoheheʻe ʻia i loko o ka waika sulfuric concentrated, maloʻo maʻalahi e agglomerate. Hiki ke hoʻemi ʻia ka 600 C me ke kalapona i ka barium sulfide.
Hoʻohana Hoʻohana nui ʻia ʻo ia ma ke ʻano he mea kaupaona no ka ʻaila a me ke kinoea wili lepo, a he mea koʻikoʻi koʻikoʻi koʻikoʻi no ka unuhi ʻana i ka barium metala a me ka hoʻomākaukau ʻana i nā pūhui barium like ʻole. ʻO nā pūhui barium koʻikoʻi i ka ʻoihana he barium carbonate, barium chloride, sulfuric acid, barium nitrate, barium hydroxide, barium oxide, barium peroxide, barium chromate, Barium manganate, barium chlorate, lithopone, barium polysulfide, etc. e like me nā mea maka a me nā mea hoʻopiha no ka lāʻau, plastics, pigments, coatings, hana pepa, textiles, pena, inika, nā electrodes; Hoʻohana ʻia e like me ka ʻaila barium-based, ka ʻaila hoʻomaʻemaʻe, ke kō beet, nā mea maka o Rayon; Hoʻohana ʻia e like me nā pesticides, sterilants, rodenticides, explosives, Green pyrotechnic, signal bomb, tracer, medical X-ray kiʻi hōʻailona; Hoʻohana pū ʻia i ke aniani, nā seramika, ka ʻili, nā mea uila, nā mea kūkulu hale, ka metallurgy a me nā keʻena ʻē aʻe. Hiki ke hoʻohana ʻia ka metala Barium no ke kīwī a me ka mea maoli

Huahana Huahana

Huahana Huahana

Nā hōʻailona pōʻino Xn – Poino
Nā Code Risk R20/21/22 – He pōʻino ma ka inhalation, pili me ka ʻili a inā ale ʻia.
R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili.
Ka wehewehe palekana S22 – Mai hanu i ka lepo.
S24/25 – Hōʻalo i ka pili ʻana me ka ʻili a me nā maka.
S36 – E komo i nā lole pale kūpono.
S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
WGK Kelemānia -
RTECS CR0600000
TSCA ʻAe
HS Code 28332700
Kaʻawaʻawa ʻO LD50 ma ka waha ma ka Lapi: > 20000 mg/kg

 

Hoʻolauna

ʻono ʻole, ʻona ʻole. Decomposition ma luna o 1600 ℃. Hiki ke hoʻoheheʻe ʻia i loko o ka ʻakika sulfuric wela, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o ka wai, nā ʻakika organik a me nā ʻakika inorganic, ka hopena caustic, hiki ke hoʻoheheʻe ʻia i ka ʻakika sulfuric wela a me ka ʻakika sulfuric wela. Paʻa nā waiwai kemika, a hoʻemi ʻia i ka barium sulfide e ka wela me ke kalapona. ʻAʻole ia e hoʻololi i ka waihoʻoluʻu ke ʻike ʻia i ka hydrogen sulfide a i ʻole nā ​​kinoea ʻona i ka lewa.

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