Thiourea a wɔde yɛ aduan
Nneɛma a Wɔyɛ no Ho Nsɛm
Nnuru Din: Thiourea
CAS Nɔma: 62-56-6
Molekyul Nsusuwii: CH4N2S
Molekyul Mu duru: 76.12 g/mol
Sɛnea ɛte: Powder fitaa a ɛte sɛ ahwehwɛ anaa prills; hua biara nni mu anaasɛ ɛwɔ hua a ɛte sɛ ammonia kakra
Ɛtumi nwura mu: Ɛtumi nwura nsuo mu kɛseɛ (137 g/L wɔ 20°C), ɛtumi nwura ethanol mu, ɛtumi nwura kakra wɔ ether ne acetone mu
Thiourea yɛ abɔdeɛ mu sulfur aduru a ɛho hia a ɛwɔ nhyehyɛɛ te sɛ urea (ɛde sulfur si oxygen atom ananmu). Ɛda nnuru a ɛyɛ adwuma soronko adi, na ɛma ɛyɛ ade a wɔde yɛ nneɛma pii ne nea wɔde ka ho wɔ mfiridwuma, kuayɛ, ne aduruyɛdan ahorow mu. Ɛnam honam fam su a ɛyɛ den ne reactivity a wotumi di so nti, ɛdi gyinapɛn a ɛyɛ katee a ɛfa su pa ho ma dwumadie tebea ahodoɔ ho.
Nneɛma Titiriw & Mfaso Ahorow
| Agyapadeɛ | Nsɛm a Wɔakyerɛkyerɛ mu | Mfaso Titiriw |
| Nsuo a Ɛyɛ Nwene | 176 - 178°C (ɛporɔw boro 180°C) . | Ɔhyew a ɛgyina pintinn wɔ ɔhyew a wɔtaa de yɛ adwuma mu, a ɛkwati sɛ ɛbɛporɔw ntɛm |
| pH Botae (1% nsuo a wɔde ahyɛ mu) . | 6.0 - 7.5 na ɛwɔ hɔ | Ɛnyɛ afã biara kosi acid kakra, ɛne substrates dodow no ara hyia a ɛmma nsɛe anaasɛ pH a ɛnkari pɛ mma |
| Ahotew (min) . | 99.0% (mfiridwuma mu abasobɔde); 99.5% (nnuruyɛ mu abasobɔde) . | Ahotew a ɛkɔ soro no brɛ efĩ a ebetumi aka sɛnea nneɛma no yɛ adwuma anaasɛ ɛde ɔhaw ahorow aba afã horow no so tew |
| Nneɛma a Wɔde Yɛ Dade a emu yɛ duru (max) . | 10 ppm (Pb, Cd, Hg nyinaa) . | Ɛdu nneɛma a atwa yɛn ho ahyia ne ahobammɔ gyinapɛn ahorow ho, a ɛfata ma aduan a wɔde di nkitaho anaa nnuru a wɔde di dwuma |
| Hygroscopicity a wɔde hwɛ ade | Ɛba fam (ɛtwetwe nsu kakraa bi wɔ dan mu hyew mu) . | Ɛnyɛ den sɛ wɔde besie na wɔadi ho dwuma a wɔrenhyehyɛ mu, na ɛhwɛ hu sɛ bere kɔ so no, ɛyɛ papa daa |
Nnwuma a Wɔtaa De Di Dwuma
Thiourea nnuru soronko (sɛ nhwɛso no, tumi a ɛde yɛ nneɛma a ɛyɛ den, ɛyɛ adwuma sɛ ade a ɛtew so, na ɛde ne ho hyɛ heterocyclic synthesis mu) ma ɛyɛ nea ɛho hia wɔ nnwuma pii mu:
3.1 Nnwuma & Nneɛma a Wɔde Yɛ Nneɛma
Metal Refining & Plating: Wɔde di dwuma sɛ ade a ɛma nneɛma yɛ den wɔ sika kɔkɔɔ ne dwetɛ a wɔde yiyi mu (sɛ nhwɛso no, wɔ sika kɔkɔɔ a cyanide nnim mu) de tew dade a ɛsom bo fi abo mu. Ɛyɛ adwuma sɛ ade a ɛma hann na ɛma ɛyɛ den wɔ nickel, kɔbere, ne zinc electroplating mu, na ɛma ade a wɔde kata so no yɛ pɛ na ɛhyerɛn
Corrosion Inhibition: Wɔde ka mfiridwuma mu nsu a ɛma onwini, pickling solutions, ne dade adwuma mu nsu ho ma ɛyɛ film a ɛbɔ dade ho ban, na ɛmma nkannare ne acid nsɛe
3.2 Nnuru a Wɔde Yɛ Nneɛma
Pharmaceuticals & Agrochemicals: Ɛyɛ ntamgyinafo titiriw wɔ sulfonamides (nnuru a ekum ɔyare mmoawa), thyroid hormone, ne nnuru a ekum wura (sɛ nhwɛso no, nnuru a wɔde kum wura a wɔde thiourea ayɛ a wɔde siw nwura ano wɔ nnɔbae mu) a wɔyɛ mu
Dye & Pigment Manufacturing: Wɔde yɛ thiazole ne imidazole a efi mu ba, a ɛyɛ nneɛma a ɛho hia wɔ azo dyes ne organic pigments mu (sɛ nhwɛso no, wɔde yɛ ntama, plastic, ne ink).
Rɔba Nnwuma: Ɛyɛ vulcanization accelerator ne modifier, ma rɔba elasticity, ɔhyew a ɛko tia, ne onyin a ɛko tia wɔ tae, nsɔano, ne rɔba nneɛma mu no yɛ kɛse
3.3 Laboratory & Nneɛma a Wɔde Di Dwuma Titiriw
Analytical Chemistry: Wɔde di dwuma sɛ ade a wɔde hu dade a emu yɛ duru (sɛ nhwɛso no, 铋、selenium) na wɔde kyerɛ dodow denam nneɛma a ɛyɛ den so
Mfoninitwa: Ɛyɛ adwuma sɛ ade a ɛma mfonini siesie ne nea ɛtew so wɔ mfonini a wɔde tuntum ne fitaa twa mu, na ɛboa ma mfonini ahorow no gyina pintinn na eyi dwetɛ halide a enni adi no fi hɔ
Ahobammɔ & Mmara sodi
4.1 Ahobanbɔ ho Akwankyerɛ
Sɛnea wodi ho dwuma: Kwati sɛ wobɛhome mfutuma anaasɛ wobɛka honam ani/aniwa tẽẽ. Hyɛ ahwehwɛ a mfutuma ntumi nkɔ mu, nitrile nsateaa, ne ɔhome akataso (N95 anaa nea ɛboro saa) wɔ mmeae a mframa ntumi nkɔ mu. Fa samina ne nsu hohoro wo nsa yiye bere a woaka ho awie no
Fa sie: Fa sie wɔ adekoradan a ɛhɔ yɛ nwini, ɛhɔ yɛ kusuu, na mframa pa fa mu a baabi a acid a ano yɛ den (sɛ nhwɛso no, hydrochloric acid), nneɛma a ɛma oxidizing (sɛ nhwɛso no, hydrogen peroxide), ne ogyaframa a ɛbue nni hɔ. Fa HDPE anaa fiber drums a wɔatoto mu di dwuma na amma nsu a ɛbɛtwetwe ne efĩ ankɔ mu
Tow gu: Tow nwura anaa thiourea a wɔmfa nni dwuma sɛnea mpɔtam hɔ nneɛma a atwa yɛn ho ahyia ho mmara kyerɛ (sɛ nhwɛso no, sɛ mfiridwuma mu nwura a ɛnyɛ asiane; kwati sɛ wobɛtow agu asase anaa nsu mu).
4.2 Mmara a Wɔde Di Dwuma
Ɛdi REACH Mmara (EU) (wɔakyerɛw din wɔ REACH SVHC list ase, anohyeto biara nni hɔ wɔ mfiridwuma mu dwumadie ho).
Edu FDA Gyinapɛn ahorow ho (ma aduan a wɔde di dwuma, s.e., sɛ ade a esiw nsɛe ano wɔ mfiri a wɔde yɛ aduan mu).
Ɛne USP/NF Gyinapɛn (nnuru a wɔde yɛ nnuru) a wɔde di dwuma wɔ nnuru a wɔyɛ mu no hyia
Wɔde ISO 9001 (nneɛma pa ho nhyehyɛe) ne ISO 14001 (nneɛma a atwa yɛn ho ahyia ho nhyehyɛe) agye atom wɔ nneɛma a wɔyɛ ho nhyehyɛe ho
Mfiridwuma ho Nsɛm Krataa (TDS) Nsɛntitiriw
| Parameter a wɔde kyerɛ | Industrial Grade a Wɔde Di Dwuma | Nnuruyɛ mu Grade | Ɔkwan a Wɔfa so Sɔ Sɔhwɛ |
| Ahotew | ≥99.0% na ɛwɔ hɔ. | ≥99.5% na ɛwɔ hɔ. | High - Adwumayɛ Nsuo Chromatography (HPLC) . |
| Nsuo a Ɛwɔ Mu | ≤0.5% na ɛwɔ hɔ. | ≤0.3% na ɛwɔ hɔ. | Karl Fischer Titration a Wɔde Kyerɛw Nsɛm |
| Ash Nsɛm a Ɛwɔ Mu | ≤0.1% na ɛwɔ hɔ. | ≤0.05% na ɛwɔ hɔ. | Gravimetric Nhwehwɛmu |
| Dade (Fe) . | ≤5 ppm na ɛwɔ hɔ | ≤2 ppm na ɛwɔ hɔ | Atom a Wɔde Yɛ Nneɛma a Wɔde Yɛ Nneɛma (AAS) . |
| Nneɛma a Ɛntumi Nwura Nsu Mu | ≤0.01% na ɛwɔ hɔ. | ≤0.005% na ɛwɔ hɔ. | Nneɛma a wɔde yiyi mu & Drying |
Dɛn Nti na Yɛpaw Yɛn Thiourea?
Customized Grades: Yɛde mfiridwuma, nnuruyɛ, ne aduruyɛdan mu grades ma de di adetɔfo ahiade pɔtee ho dwuma (sɛ nhwɛso no, dade a emu yɛ duru a ɛba fam a wɔde di dwuma wɔ nnuruyɛ mu).
Stable Supply: Yɛn adwumayɛbea ahorow (a afe biara tumi yɛ tɔn 5,000) hwɛ hu sɛ wɔde bɛkɔ bere ano, mpo wɔ nneɛma pii a wɔkra (20-500 kg drums) ho
Mfiridwuma mu Mmoa: Yɛn nnuruyɛfo kuw no de afotu a wɔde ma ansa na wɔatɔn (sɛ nhwɛso no, application matching) ne mmoa a wɔde ma wɔ adetɔn akyi (sɛ nhwɛso no, ɔhaw ahorow a wosiesie ma nsɛm a ɛfa dwumadie ho) ma
Nneɛma a Wɔyɛ a Ɛmma Nneɛma a Atwa Yɛn Ho Ahyia: Yɛn nneɛma a yɛyɛ no brɛ nsu fĩ ne mframa a wɔtow gu no ase, na ɛne wiase nyinaa botae ahorow a ɛfa nneɛma a ɛbɛkɔ so atra hɔ daa ho hyia.
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