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Formaldegid

  • Formaldegid
  • Formaldegid
  • Formaldegid

Formaldegid

CAS No.:50-00-0
Molecular Formula：CH2O
Molecular weight:30.03
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Aloqa
Mahsulot tavsifi

Formaldehid eng oddiy aldegid molekulasi bo‘lib, faol kimyoviy xossalarga va ma’lum toksiklikka ega. Xona haroratida u o‘tkir hidli rangsiz gaz bo‘lib, oson polimerlanib paraformaldehid hosil qiladi. Formaldegid suvda, spirtda va boshqa organik erituvchilarda oson eriydi. Atrof-muhitdagi formaldegidning asosiy manbalari yoqilg‘i yonishi, sanoat qo‘llanmalari, bezak materiallari va turli iste’mol mahsulotlaridir.


Kimyoviy xossalari

XususiyatQiymat

Eruvchanlik nuqtasi

-15°C

Qaynash nuqtasi

97°C(37% solution),-19.5°C(pure)

Zichlik

1.09 g/mL at 25 °C(lit.)

Bug‘ zichligi

1.03 (vs air)

Bug‘ bosimi

52 mm Hg ( 37 °C)

Sinish ko‘rsatkichi

n20/D 1.377

Fp

133 °F

Saqlash harorati

Xona harorati

Eruvchanlik

Water: soluble

Shakli

Eritma

Pka

13.27(at 25℃)

Rang

APHA: ≤10

Hid

O‘tkir hid 1 ppm da seziladi

pH

pH (25℃) : 7.0～7.5

Hid chegarasi

0.5ppm

Suvda eruvchanligi

Eriydigan

λmax

λλ: 260 nm Amax: 0.01λλ: 280 nm Amax: 0.01

Merck

14,4235

BRN

1209228

Genrining qonuni doimiysi

2.08(x 10-7 atm?m3/mol) at 25 °C (flow-type generation system, spectrophometry, Kanda et al., 2005)

Dielectric constant

23.0（Atrof-muhit）

Ta’sir qilish chegaralari

NIOSH REL: TWA 0.016 ppm, 15-min C 0.1 ppm, IDLH 20 ppm; OSHA PEL: TWA 0.75 ppm, STEL 2 ppm.

InChIKey

WSFSSNUMVMOOMR-UHFFFAOYSA-N

LogP

0.350

CAS DataBase Reference

50-00-0(CAS DataBase Reference)

IARC

1 (Vol. Sup 7, 62, 88, 100F) 2012

NIST Chemistry Reference

Formaldehyde(50-00-0)

EPA moddalar reyestri tizimi

Formaldehyde (50-00-0)


Xavfsizlik ma’lumotlari

XususiyatQiymat

Xavf kodlari

T

Xavf bayonotlari

23/24/25-34-40-43-39/23/24/25-68-45-68/20/21/22

Xavfsizlik bayonotlari

36/37-51-45-36/37/39-26-53

RIDADR

UN 1198 3/PG 3

OEB

E

OEL

TWA: 0.016 ppm, Ceiling: 0.1 ppm [15-minute]

WGK Germany

2

RTECS

LP8925000

F

10

O‘z-o‘zidan alangalanish harorati

424 °C for formalin containing 15% methanol

TSCA

Ha

HazardClass

3

PackingGroup

III

HS Code

29121100

Xavfli moddalar ma’lumotlari

50-00-0(Hazardous Substances Data)

Toksiklik

LD50 oral (rat) 500 mg/kgLD50 skin (rabbit) 270 mg/kgLC50 inhal (rat) 203 mg/m3 (2 h)PEL (OSHA) 1 ppm (1.5 mg/m3)TLV-TWA (ACGIH) 0.3 ppm (ceiling)(0.37 mg/m3)STEL (OSHA) 2 ppm (2.5 mg/m3)

IDLA

20 ppm


Mahsulotdan foydalanish

Formaldegid — yuqori reaktiv aldegid bo‘lib, zamonaviy sanoat kimyosining muhim asoslaridan biridir. Uning eng muhim qo‘llanilishi urea-formaldegid, fenol-formaldegid va melamin smolalari kabi sintetik smolalar ishlab chiqarishdir; bular fanera, DVP va boshqa yog‘och mahsulotlari uchun zarur yelim hisoblanadi. Ishlab chiqarish sohasida u yuqori mustahkamligi va issiqlik barqarorligi bilan qadrlanadigan polioksimetilen (POM) plastmassalarini ishlab chiqarishda ishlatiladi. Bundan tashqari, formaldegid pentaeritrit kabi poliollarni sintez qilish uchun muhim kimyoviy oraliq mahsulot vazifasini bajaradi hamda tibbiyot laboratoriyalari va iste’mol tovarlarida kuchli dezinfektant va konservant sifatida qo‘llaniladi.

Zavod taqdimoti
  • 560f5b3e6a1382edd311f5831e188506f5788239bcb485-I8BPAt
  • 3877776346a5dd110c652caf848b738805f963c0c0eb8c-iA1lPW
  • B22434~1
  • e93aa299068d805c6a0fd4383e84d71f614032cee027ba-Nw3260
  • ee6743d39f5316f9625fc521bd4e73e4ff4218792d326f-DEVHj8
  • f3f89d0d810a8876bd916d2f17af9f4ff9839508120e8c0-UVCfAs
  • f333eef80cd93c46105dacf417af1617190e5f0e109a25f-yKtL1g
  • ee6743d39f5316f9625fc521bd4e73e4ff4218792d326f-DEVHj8
  • 1f4231cc28d6353b1f6d334ad8e9951614e5b2f18b8826-xSU1r1
  • 1ba39ef304933e9f9318f9c7ad28a1e4ec90a0d343e75-Z98KL4
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Laboratoriya
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FAQ

1-savol: Moslashtirilgan mahsulotlarni qo‘llab-quvvatlaysizmi?

1-javob: Ha, qo‘llab-quvvatlaymiz. Formulalarni moslashtirish va buyurtmachining sohasi ehtiyojlari hamda ishlash parametrlari asosida maxsus ishlab chiqarishni amalga oshirish mumkin.


2-savol: Namunalar taqdim etilishi mumkinmi?

2-javob: Mijozlarning dastlabki sinov ehtiyojlarini qondirish uchun bepul namuna yetkazib berish va sinov xizmatlarini taqdim etamiz.


3-savol: Mahsulot sifati barqarormi? 

3-javob: To‘liq jarayonli sifat tekshiruvi va nazorati bilan partiyalar o‘rtasidagi farqlar minimal darajada bo‘ladi, tozalik va barqarorlik esa standartlarga qat’iy javob beradi.


4-savol: Yetkazib berish muddati qancha?

4-javob: Doimiy zaxiradagi mahsulotlar uchun tezkor yetkazib berishni taklif qilamiz. Maxsus buyurtmalar uchun ishlab chiqarishni talabga muvofiq tashkil etamiz va o‘z vaqtida yetkazib berishni ta’minlaymiz.

Aloqa
Yuborish
Tavsiya