3,4-Dihydro-2H-Pyran (DHP) CAS 110-87-2 Maʻemaʻe >99.0% (GC)

ʻO ka wehewehe pōkole:

Inoa Kemika: 3,4-Dihydro-2H-Pyran

Synonyms: DHP;ʻO Dihydropyran

CAS: 110-87-2

Maʻemaʻe: >99.0% (GC)

ʻAno: ʻO ka wai ʻaʻohe kala ʻole

Hoʻohana ʻia ma ke ʻano he Hydroxyl-Protecting Reagent i Organic Synthesis

Hoʻokaʻaʻike: Kauka Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Nā Huahana Pili

Huahana Huahana

wehewehe:

ʻO Ruifu Chemical ka mea hana nui o 3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) me ke kūlana kiʻekiʻe, hoʻohana nui ʻia e like me ka hydroxyl-protecting reagent i ka synthesis organik.Hāʻawi ʻo Ruifu i ka hāʻawi ʻana i ka honua holoʻokoʻa, ke kumukūʻai hoʻokūkū, nā mea liʻiliʻi a me ka nui i loaʻa.Kūʻai 3,4-Dihydro-2H-Pyran,Please contact: alvin@ruifuchem.com

Na Waiwai Kemika:

Inoa Kimia	3,4-Dihydro-2H-Pyran
Nā huaʻōlelo like	DHP;3,4-DHP;3,4-Dihydropyran;Dihydropyran;2,3,4-Trihydropyran, 2H-3,4-Dihydropyran, Dihydro-2H-Pyran;2,3-Dihydropyran;δ2-Dihydropyran;3,4-Dihydro-1,2-Pyran
Kūlana Kūʻai	Ma ke Kahua, Hana Hana Kūʻai
Helu CAS	110-87-2
ʻĀpana Molekala	C5H8O
Kaumaha Molecular	84.12 g/mol
Lae hehee	-70 ℃ (māmā)
Lae paila	86 ℃ (māmā)
Lae Flash	-6℃
ʻO ka mānoanoa	0.922 g/mL ma 25 ℃(māmā)
Hōʻike Hōʻikeʻike N20/D	1.440(ʻoi.)
Hiki i ka wai	20 g/L (20 ℃)
Papa Hazard	3;ʻO ka wai wela
COA & MSDS	Loaʻa
Laʻana	Loaʻa
Ke kumu	Shanghai, Kina
Brand	Kemika Ruifu

Nā kikoʻī:

Nā mea	Nā Kūlana Nānā	Nā hualoaʻa
Ka nana aku	Wai ʻaʻohe kala ʻole	Wai ʻaʻohe kala ʻole
Maʻemaʻe / Kaʻina Hanana	>99.0% (GC)	99.33%
Wai na Karl Fischer	<0.30%	0.28%
Tetrahydropyran	<1.50%	0.62%
ʻOi (20 ℃)	0.925~0.933	Hoʻokō
Hōʻike Hōʻikeʻike N20/D	1.440~1.443	Hoʻokō
Infrared Spectrum	Kūlike me ka Hoʻolālā	Hoʻokō
Ka hopena	Ua hoʻāʻo ʻia ka huahana a hoʻokō me nā kikoʻī i hāʻawi ʻia

Pūʻolo/Paʻa/Hoʻouna:

Pūʻolo:ʻO ka'ōmole, 25kg / Drum, 180kg / Drum, aiʻole e like me ka makemake o ka mea kūʻai.
Waihona:Paʻa paʻa ka ipu.E kūʻai i loko o kahi hale kūʻai maloʻo, maloʻo a maikaʻi ʻole mai nā mea like ʻole.E pale i ka malamalama a me ka wai.ʻAʻole kūpono me nā mea hoʻoheheʻe, nā waikawa ikaika a me nā waiʻona.
Hoʻouna:Hāʻawi i ka honua ma ka lewa, e FedEx / DHL Express.Hāʻawi wikiwiki a hilinaʻi hoʻi.

Pono:

ʻO ka mana kūpono: lawa nā lako a me nā ʻenehana

ʻOihana Hoʻonaʻauao: Hoʻokahi lawelawe kūʻai kūʻai

Puke OEM: Loaʻa ka pūʻolo maʻamau a me ka lepili

Hoʻouna wikiwiki: Inā i loko o ke kumukūʻai, ʻekolu lā hoʻouna i hōʻoia ʻia

Hoʻolako Paʻa: E mālama i ka waiwai kūpono

Kākoʻo ʻenehana: Loaʻa ka hopena ʻenehana

Hana Hana Hana Kuʻuna: Mai ka grama a hiki i ke kilo

Kūlana Kiʻekiʻe: Hoʻokumu i kahi ʻōnaehana hōʻoia maikaʻi piha

FAQ:

Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 mau makahiki ʻike?Loaʻa iā mākou ma mua o 15 mau makahiki o ka ʻike i ka hana ʻana a me ka hoʻokuʻu ʻana aku i kahi ākea ākea o nā intermediates pharmaceutical kiʻekiʻe a i ʻole nā kemika maikaʻi.
Mākeke Nui?E kūʻai aku i ka mākeke kūloko, ʻAmelika ʻĀkau, ʻEulopa, India, Korea, Iapana, Australia, etc.
Nā pono?ʻO ke kūlana kiʻekiʻe, ke kumukūʻai kūpono, nā lawelawe ʻoihana a me ke kākoʻo ʻenehana, ka lawe wikiwiki ʻana.
ʻAno maikaʻiHōʻoiaʻiʻo?Pūnaehana hoʻomalu maikaʻi koʻikoʻi.ʻO nā lako ʻoihana no ka nānā ʻana ʻo NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Nā laʻana?Hāʻawi ka hapa nui o nā huahana i nā laʻana manuahi no ka loiloi maikaʻi, pono e uku ʻia ke kumukūʻai e nā mea kūʻai aku.
Hooia Hale Hana?Welina mai ka loiloi hale hana.E ʻoluʻolu e hoʻopaʻa manawa ma mua.
MOQ?ʻAʻohe MOQ.ʻAe ʻia ke kauoha liʻiliʻi.
Manawa Hoʻouna? Inā i loko o ka waihona, ʻekolu lā hoʻouna ʻia.
Kaʻahele?Ma ka Express (FedEx, DHL), ma ka Air, ma ke Kai.
Nā palapala?Ma hope o ka lawelawe kūʻai: COA, MOA, ROS, MSDS, etc.
Hoʻohui Kuʻuna?Hiki ke hāʻawi i nā lawelawe synthesis maʻamau e kūpono i kāu mau pono noiʻi.
Kūkākūkā uku?E hoʻouna mua ʻia ka invoice Proforma ma hope o ka hōʻoia ʻana o ke kauoha, hoʻopili ʻia kā mākou ʻike panakō.Uku e T/T (Telex Transfer), PayPal, Western Union, etc.

110-87-2 - ʻIke Palekana:

Nā Code Risk R11 - Hiki ke ʻā loa
R36/37/38 - E hoʻonāukiuki i nā maka, ka ʻōpū hanu a me ka ʻili.
R36/38 - Hoʻonanea i ka maka a me ka ʻili.
R19 - Hiki ke hana i nā peroxide pahū
Hōʻike Palekana S16 - E hoʻokaʻawale i nā kumu hoʻā.
S26 - Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36 - E hoʻohana i nā lole pale kūpono.
S37/39 - E hoʻohana i nā mīkina lima kūpono a me ka pale maka/maka
S33 - E mālama i nā hana e pale aku ai i ka hoʻokuʻu ʻana.
S7/9 -
Nā ID UN UN 2376 3/PG 2
WGK Kelemānia 3
RTECS UP7700000
TSCA ʻAe
HS Code 2932999099
Hoʻomaopopo i ka pōʻino
Papa Hazard 3
Hui Pūʻulu II
ʻAi ʻawaʻawa LD50 ma ka waha i ka Lapi: > 4000 mg/kg

110-87-2 - Noi:

Hoʻohana ʻia ʻo 3,4-Dihydro-2H-Pyran (DHP) (CAS: 110-87-2) ma ke ʻano he hydroxyl-protecting reagent i ka synthesis organik.Hana ʻo ia ma ke ʻano he waena ma ke kemika synthetic.Hoʻohana ʻia ia e pale i nā hui hana reactive.Hoʻopili ʻia ia i ka hopena polymerization a i ʻole me ka pūhui unsaturated a loaʻa ka noi ma nā ʻoihana polymer.Eia kekahi, hoʻohana ʻia ia i ka hoʻomākaukau ʻana i nā pūhui bicyclic o ka epoxide-fused, nā mea halo a me nā ʻona allenic.
Hoʻohana nui ʻia ʻo 3,4-Dihydro-2H-Pyran e like me OH Protection reagent.Tetrahydropyran, pentanediol, Glutaric acid, valerolactone, pentadiene a me nā huahana resin;Hiki ke hoʻohana ʻia ma ke ʻano he pharmaceutical intermediates;Hiki ke hoʻohana ʻia ma ke ʻano he pharmaceutical intermediates;Hiki ke hoʻohana ʻia e like me nā solvents, organic synthesis intermediates;Hoʻohana nui ʻia no ka pale ʻana i nā pūʻulu hydroxyl, maʻamau ʻaʻole e pane me nā Nucleophilic Reagents a me nā organometallic reagents, kūpaʻa ʻo ia i ka alkali ikaika a maʻalahi ke hoʻololi ma lalo o nā kūlana pH haʻahaʻa a i ʻole Lewis acid.ʻO ka mea hoʻoponopono hoʻomalu pūʻulu waiʻona;Hoʻohana nui ʻia ka reagent no ka pale o ka hui hydroxyl.

110-87-2 - Hana Hana:

Loaʻa ʻia ka 3,4-Dihydro-2H-Pyran (CAS: 110-87-2) e ka dehydration a me ka hoʻonui apo o ka waiʻona tetrahydrofurfuryl.

110-87-2 - Palapala Palekana:

ʻO ke ahi hikiwawe a weliweli loa ke ʻike ʻia i ka wela a i ʻole ka lapalapa ahi;hiki ke hana ikaika me nā mea oxidzing.E mālama i ka wela a me ka lapalapa ahi.No ke kaua ʻana i ke ahi, hoʻohana i ka huʻa waiʻona, CO2, a i ʻole kemika maloʻo.Ke hoʻomehana ʻia a palaho, hoʻopuka ʻo ia i ka uahi ʻino a hoʻonāukiuki.

110-87-2 - Ke ʻano mālama:

E kūʻai i loko o kahi hale kūʻai anuanu a me ka makani.Kaawale mai ke ahi, kumu wela, anti-static.ʻAʻole pono ka mahana mālama ma mua o 30 ℃.Pono e mālama kaʻawale ʻia mai ka oxidant, a ʻaʻole pono e pale ʻia ka waiho ʻana i hui ʻia.Pono e hoʻohana ʻia nā kukui pahū a me nā ʻoihana ea.ʻAʻole ʻae ʻia ka hoʻohana ʻana i nā mea hana mīkini a me nā mea hana.Pono e hoʻolako ʻia ka wahi mālama me nā lako lapaʻau pilikia no ka leakage a me nā mea hoʻopaʻa pono.