男人撕开奶罩揉吮奶头视频,精品影院,毛片无码国产,美女视频黄频a美女大全免费下,久久无码人妻精品一区二区三区

歡迎來到化學(xué)加!萃聚英才,共享化學(xué)!化學(xué)加,加您更精彩!客服熱線:186-7688-2001
圖片加載中
LOADING IMAGES
四苯基溴化鏻 四苯基溴化鏻

四苯基溴化鏻

CAS號 2751-90-8
規(guī)格 1kg/袋
純度 工業(yè)級99.9%
貨號 HATCH169
貨期 ---
品牌 海曲
庫存 200kg
注意:請務(wù)必與賣家聯(lián)系核實單價庫存,以確保您的資金安全及交易順利。
參考價: ¥500.00
貨號 品牌 純度 規(guī)格 參考價 貨期
HATCH169 海曲 工業(yè)級99.9% 1kg/袋 ¥500.00 ---
11543 --- 99% 按需包裝千克/包 需詢盤 ---

產(chǎn)品詳情

詳細信息(中文):
物化性質(zhì)編輯
外觀與性狀:白色至灰白色結(jié)晶粉末
熔點:295-300 °C(lit.)
閃點:260 °C
穩(wěn)定性:Stable at room temperature in closed containers under normal storage and handling conditions.
儲存條件:Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. [1]
安全信息編輯
海關(guān)編碼:29310095
WGK Germany:3
危險類別碼:R36/37/38
安全說明:S26-S36
危險品標志:Xi
計算化學(xué)數(shù)據(jù)編輯
1.疏水參數(shù)計算參考值(XlogP):無
2.氫鍵供體數(shù)量:0
3.氫鍵受體數(shù)量:1
4.可旋轉(zhuǎn)化學(xué)鍵數(shù)量:4
5.互變異構(gòu)體數(shù)量:無
6.拓撲分子極性表面積0
7.重原子數(shù)量:26
8.表面電荷:0
9.復(fù)雜度:301
10.同位素原子數(shù)量:0
11.確定原子立構(gòu)中心數(shù)量:0
12.不確定原子立構(gòu)中心數(shù)量:0
13.確定化學(xué)鍵立構(gòu)中心數(shù)量:0
14.不確定化學(xué)鍵立構(gòu)中心數(shù)量:0
15.共價鍵單元數(shù)量:2
急救措施編輯
急 救:
吸 入: 如果吸入,請將患者移到新鮮空氣處。
皮膚接觸: 脫去污染的衣著,用肥皂水和清水徹底沖洗皮膚。如有不適感,就醫(yī)。
眼晴接觸: 分開眼瞼,用流動清水或生理鹽水沖洗。立即就醫(yī)。
食 入: 漱口,禁止催吐。立即就醫(yī)。
對保護施救者的忠告:
將患者轉(zhuǎn)移到安全的場所。咨詢醫(yī)生。出示此化學(xué)品安全技術(shù)說明書給到現(xiàn)場的醫(yī)生看。

詳細信息(英文):
Physical and chemical properties of editing
Appearance and properties: white to grayish white crystalline powder
Melting point: 295-300 ° C (lit.)
Flash: 260 ° C
Stability: Stable at room temperature in closed containers under normal storage and handling for the conditions.
Storage conditions: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well - ventilated area away from incompatible substances. Store protected from moisture. [1]
Safety information editing
Hs code: 29310095
WGK Germany: 3
Dangerous category code: R36/37/38
Safety instructions: S26 - S36
Dangerous mark: Xi
Computational chemistry data editing
1. The hydrophobic parameter calculation reference (XlogP) : no
2. The number of hydrogen bonding donor: 0
3. The number of hydrogen bonds receptor: 1
4. The number of rotating chemical bonds: 4
5. Number of tautomer: no
6. The topological molecular polar surface area 0
7. Number of heavy atom: 26
8. Surface charge: 0
9. Complexity: 301
10. Number of isotope atoms: 0
11. Determine the atomic number of vertical structure center: 0
12. Not sure if the atomic number of vertical structure center: 0
13. To determine the number of chemical bonds stand structure center: 0
14. The number of uncertain chemical bonds stand structure center: 0
15. The number of covalent bond unit: 2
First aid measures editor
Urgent rescue:
Sucked into: if inhaled, move patient to fresh air place, please.
Skin contact: remove contaminated clothing, and water to thoroughly flushed the skin with soap and water. If there is any discomfort, go to a doctor.
Eyes contact: separate the eyelids, irrigate with flowing water or normal saline. Go to a doctor immediately.
Eat: gargle, vomiting is prohibited. Go to a doctor immediately.
To protect the rescuers advice:
Transferring patients to a safe place. Consult a physician. Show me the chemical safety technical specifications to show to the scene of a doctor.

產(chǎn)品實物圖

產(chǎn)品實物圖

產(chǎn)品百科查看更多

英文名 tetraphenylphosphanium,bromide
中文名 四苯基溴化鏻
CAS號 2751-90-8 溶解性 ---
分子量 419.29300 熔點 295-300?°C(lit.)
密度 --- 沸點 ---

商家信息

上海海曲化工有限公司

營業(yè)執(zhí)照已審核 企業(yè)已認證

聯(lián)系人:王小姐 點擊這里給我發(fā)消息

號碼一: 186****

號碼二: 021****

VIP企業(yè)默認展示聯(lián)系方式,非VIP企業(yè)僅限注冊登錄用戶可見

  • 公司類型:貿(mào)易商
  • 成立時間:2004-07-30
  • 所在地區(qū):上海市市轄區(qū)
  • 注冊資本:100萬元
推薦供應(yīng)商

產(chǎn)品:四苯基溴化鏻