Barium sulfate CAS 13462-86-7

Ngwongwo kemịkalụ:

Usoro ihe omimi	BaO4S
Molar Mass	233.39
Njupụta	4.5
Ebe Na-agbaze	1580 Celsius C
Ebe Boling	decomposes na 1580 ℃ [KIR78]
Mmiri Solubility	0.0022 g/L (50ºC)
Solubility	mmiri: enweghị soluble
Ọdịdị	Ọcha ntụ ntụ
Nnukwu ike ndọda	4.5
Agba	Ọcha ruo edo edo
Oke ngosi	ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Ngwaahịa na-adị mgbe niile (Ksp)	pKsp: 9.97
Merck	14,994
PH	3.5-10.0 (100g/l, H2O, 20℃) nkwusioru
Ọnọdụ Nchekwa	Okpomọkụ nchekwa: enweghị mgbochi.
Nkwụsi ike	Kwụsie ike.
Mmetụta	Na-amịkọrọ mmiri ngwa ngwa
MDL	MFCD00003455
Njirimara anụ ahụ na kemịkalụ	Njirimara kristal orthorhombic na-enweghị agba ma ọ bụ ntụ ntụ na-acha ọcha. ebe mgbaze 1580 ℃ Njupụta ikwu 4.50(15 ℃) solubility fọrọ nke nta ka ọ ghara ime ya na mmiri, ethanol na acid. Na-agbaze na sulfuric acid na-ekpo ọkụ. kristal orthorhombic na-enweghị agba ma ọ bụ ntụ ntụ amorphous ọcha. Njupụta ọnụ 4.50 (15 degrees C). Ebe mgbaze 1580 Celsius. Mgbanwe polycrystalline na-eme na gburugburu 1150 Celsius. Nbibi dị ịrịba ama malitere na ihe dịka 1400 Celsius. Nkwụsi ike nke kemịkal. Na mmiri, ethanol, na acid na-adịghị edozi ya. Soluble na ọkụ lekwasịrị sulfuric acid, akọrọ mfe agglomerate. 600 C nwere carbon nwere ike belata na barium sulfide.
Jiri	A na-ejikarị ya eme ihe dị ka ihe na-ebu ibu maka mmanụ na gas na-egwupụta apịtị, ma bụrụkwa ihe dị mkpa ịnweta akụrụngwa maka ịwepụta barium ígwè na ịkwadebe ogige barium dị iche iche. Ogige barium kachasị mkpa na ụlọ ọrụ bụ barium carbonate, barium chloride, sulfuric acid, barium nitrate, barium hydroxide, barium oxide, barium peroxide, barium chromate, Barium manganate, barium chlorate, lithopone, barium polysulfide, wdg. A na-eji ogige Barium eme ihe n'ọtụtụ ebe. dị ka akụrụngwa na ihe ndochi maka roba, plastik, pigmenti, mkpuchi, ime akwụkwọ, textiles, agba, inks, electrodes; A na-eji ya dị ka griiz dabeere barium, mmanu mmanu, beet sugar, Rayon akụrụngwa; Ejiri ya dị ka ọgwụ pesticides, sterilants, rodenticides, explosives, Green pyrotechnic, bọmbụ mgbaàmà, tracer, ihe ngosi foto X-ray ahụike; A na-ejikwa ya na iko, ceramics, akpụkpọ anụ, ngwá electronic, ihe ụlọ, metallurgy na ngalaba ndị ọzọ. Enwere ike iji ígwè barium mee ihe maka telivishọn na n'ezie

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu	Xn - na-emerụ ahụ
Koodu ihe egwu	R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya. R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa	S22 - Ekula uzuzu. S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya. S36 - Yiri uwe nchebe kwesịrị ekwesị. S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
WGK Germany	-
RTECS	CR0600000
TSCA	Ee
Koodu HS	28332700
Nsi	LD50 ọnụ na oke bekee:> 20000 mg/kg

Okwu mmalite

Enweghị ụtọ, anaghị egbu egbu. Nreka n'elu 1600 ℃. Soluble n'ime sulfuric acid na-ekpo ọkụ, nke na-adịghị ike na mmiri, organic na inorganic acids, caustic solution, soluble na ọkụ sulfuric acid na ọkụ sulfuric acid. Njirimara kemịkalụ kwụsiri ike, a na-ebelata ya na barium sulfide site na okpomọkụ na carbon. Ọ naghị agbanwe agba mgbe ekpughere ya na hydrogen sulfide ma ọ bụ gas na-egbu egbu na ikuku.

Nke gara aga: Titanium (IV) oxide CAS 13463-67-7

Osote: Ammonium polyphosphate CAS 68333-79-9

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