| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 |
| N854502 | MACKLIN | α-萘酚醌苯基甲烷 | | 79元/1g; 292元/5g; 1077元/25g; 3444元/100g; 17160元/500g; | 展开 |
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| N0028 | TCI | p-Naphtholbenzein | | 1625元/25G; | 展开 |
基本信息 | 分子式/分子量 | C27H18O2 = 374.44 | | 外观与形状(20℃) | 固体 | | Reaxys-RN | 7142143 | | PubChem物质ID | 87573439 | | MDL编号 | MFCD00078492 |
技术规格 | Appearance | Orange to Amber to Dark red powder to crystal | | Absorbance | min. 0.600(10 mg/L, pH 12.0, 648.0 to 652.0 nm) | | Sensitiveness | Turn Reddish yellow in Acetic Acid and turn green by adding Perchloric Acid |
物性(参考值) 安全信息 | 图形或危害标志 |  | | 信号词 | 警告 | | 危险性说明 | H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
| | 防范说明 | P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。
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| 557297 | J&K | α-Naphtholbenzein | | 277元/5G; 1010元/25G; 3274元/100G; | 展开 |
基本信息 | 分子式 | C27H18O2 | | 分子量 | 374.44 | | 熔点 | 230-235 | | MDL编码 | MFCD00078492 | | Beilstein | 2628063 | | EINECS 编号 | 205-656-3 |
安全信息 | 图形或危害标志 | | | 提示语 | Warning | | 危险说明 | H315
H319
H335 | | 防范说明 | P261
P305+P351+P338 | | WGK | 3 |
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| A16125 | Alfa Aesar | alpha-Naphtholbenzein | | 489元/5g; 1684元/25g; 5006元/100g; | 展开 |
应用
α-Naphtholbenzein is used as a pH indicator. (pH 0.0-0.8/ pH 8.2-10.0). 备注
Incompatible with strong oxidizing agents, acids, water reactive substances, azo, diazo, hydrazines, metals, nitrides, peroxides, hydroperoxides, epoxides and reducing agents. 基本信息 MDL
MFCD00078492 EINECS
205-656-3 分子式
C27H18O2 分子量
374.44 熔点
ca. 225° dec. 灵敏度
Ambient temperatures. 形态
Powder 溶解性
Soluble in ethanol, acetic acid and acetone. Insoluble in water. Beilstein
3471575 GHS危害和防范说明 GHS符号
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
36/37/38
Irritating to eyes, respiratory system and skin. 安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste TSCA
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| C41532 | Alfa Aesar | alpha-Naphtholbenzein | | 5934元/100g; 1102元/5g; 3168元/25g; | 展开 |
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| T_702N050046 | Alfa Aesar | p-Naphtholbenzein | pure, indicator grade 25GR | 2233元/25g; | 展开 |
基本信息 Ref#
F50669 MDL
MFCD00078492 分子式
C{2}{7}H{1}{8}O{2} 分子量
374.44 形态
Solid |
| O3789-10 | Alfa Aesar | P-NAPHTHOLBENZEIN R 10G | | 1158元/10g; | 展开 |
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| 1.06202 | Supelco | 1-Naphtholbenzein | indicator Reag. Ph Eur | 1231.98元/5 G; | 展开 |
产品说明 分析说明 Identity (IR-spectrum): passes test
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax.(perchloric acid (0,1 mol/l) in acetic acid): 622 - 626 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l;perchloric acid (0,1 mol/l) in acetic acid;calculated on dried substance): 640 - 950
Transition range: pH 8,0 - pH 9,6; apricot - turquoiseblue
Loss on Drying (105°C): ≤ 7 %
Suitability as indicator (for non-aqueous titration): passes test 基本信息 | 经验(实验)分子式 | C27H18O2 | | 分子量 | 374.43 | | EC索引号 | 205-656-3 |
产品性质 | agency | reag. Ph. Eur. | | 质量水平 | 200 | | 缺失 | ≤7% loss on drying, 105℃ | | mp | 243-245 ℃ | | 堆积密度 | 120‑300 kg/m3 | | 储存温度 | 2-30℃ | | InChI | 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24+ | | InChI key | VDDWRTZCUJCDJM-SOYKGTTHSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 291099 | Sigma-Aldrich | α-Naphtholbenzein | indicator grade | 654.2元/5 G; 2236.09元/25 G; | 展开 |
产品说明 一般描述 α-Naphtholbenzein is a dye belonging to the Benzein family insoluble in water and soluble in alcohol. α-Naphtholbenzein is primarily used as an indicator for pH range 8.2-10.0 (mostly in acid-base titrations), causing a color change for the neutral solutions turning alkaline. Its applications include detection of bacterial growth in packed food, viable cells, enzymes, ammonia odors in patients with bacterial infection, and many more. 应用 α-Naphtholbenzein has been used as an indicator during sequential injection analysis technique done for acid-base titrations. 包装 5, 25 g in glass bottle 基本信息 | 经验(实验)分子式 | C27H18O2 | | 分子量 | 374.43 | | Beilstein | 2628063 | | EC 号 | 205-656-3 | | PubChem化学物质编号 | 24857510 | | NACRES | NA.47 |
产品性质 | 质量水平 | 100 | | 等级 | indicator grade | | 形式 | powder | | mp | 230-235 ℃ (lit.) | | ε (extinction coefficient) | ≥50000 at 207-213 nm in methanol at 0.01 g/L | | application(s) | diagnostic assay manufacturing
hematology
histology | | 储存温度 | room temp | | SMILES string | Oc1ccc(\C(c2ccccc2)=C3\C=CC(=O)c4ccccc34)c5ccccc15 | | InChI | 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24- | | InChI key | VDDWRTZCUJCDJM-PNHLSOANSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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| 70480 | Supelco | α-Naphtholbenzein | indicator (pH 8.2-10.0) | 1307.44元/10 g; 4266.13元/50 G; | 展开 |
产品说明 一般描述 对萘酚苯是酸碱滴定法常用的染料。 应用 在用于酸碱滴定的顺序注射分析技术中，可使用对萘酚苯作为指示剂。 基本信息 | 经验(实验)分子式 | C27H18O2 | | 分子量 | 374.43 | | Beilstein | 2628063 | | EC 号 | 205-656-3 | | PubChem化学物质编号 | 24886093 | | NACRES | NA.21 |
产品性质 | 等级 | indicator (pH 8.2-10.0) | | 质量水平 | 100 | | 形式 | powder | | technique(s) | UV/Vis spectroscopy: suitable | | mp | 230-235 ℃ (lit.) | | SMILES string | Oc1ccc(\C(c2ccccc2)=C3\C=CC(=O)c4ccccc34)c5ccccc15 | | InChI | 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24- | | InChI key | VDDWRTZCUJCDJM-PNHLSOANSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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| 493835 | Fluorochem | Naphtholbenzein | | 440元/5g; 1716元/25g; 6248元/100g; 15048元/250g; | 展开 |
基本信息 | CAS Number | 145-50-6 | | MDL Number | MFCD00078492 | | Melting Point | 230-235℃ |
安全信息 | 图形或危害标志 | | | 危险性说明 | H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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