有机化学人才网 | 最新人才 | 最新职位 | 技术交易 | 药物合成
 
   
全站搜索: |
  您当前位置:网站首页 >> 论坛文摘 >> [求助]叠氮化钠的安全使用
 
 
[求助]叠氮化钠的安全使用
2010-08-23 17:08:57 来源:不详 浏览:9971
我要用到叠氮化钠在生产上!请教各路前辈:听说很危险!应该怎样使用?
                   注意那些问题?  先谢了!
sabclxg (2004-1-29 15:35:00)
叠氮化钠在水溶液中250度以下很稳定,但在其他情况下要注意,不能摩擦撞击,温度不要太高。
wzuny (2004-2-17 17:16:00)
关键是不能碰撞!!!!爆炸
camellia_steel (2004-2-18 07:50:00)
不能遇酸,遇酸后放出叠氮酸,其毒性同HCN.
njbfj (2004-2-18 09:59:00)
M A T E R I A L  S A F E T Y  D A T A  S H E E T
            
SECTION 1. - - - - - - - - - CHEMICAL IDENTIFICATION- - - - - - - - - -
    CATALOG #:            438456
    NAME:                 SODIUM AZIDE, 99.99+%
SECTION 2. - - - - - COMPOSITION/INFORMATION ON INGREDIENTS - - - - - -
    CAS #: 26628-22-8
    MF: N3NA
    EC NO:  247-852-1
  SYNONYMS
    AZIDE, SODIUM * AZOTURE DE SODIUM (FRENCH) * AZYDEK SODU (POLISH) *
    KAZOE * NATRIUMAZID (GERMAN) * NATRIUMMAZIDE (DUTCH) * NCI-C06462 *
    NEMAZYD * NSC 3072 * RCRA WASTE NUMBER P105 * SMITE * SODIUM AZIDE
    (ACGIH) * SODIUM, AZOTURE DE (FRENCH) * SODIUM, AZOTURO DI (ITALIAN) *
     U-3886 *
SECTION 3. - - - - - - - - - - HAZARDS IDENTIFICATION - - - - - - - - -危险
  LABEL PRECAUTIONARY STATEMENTS
    HIGHLY TOXIC (USA)巨毒
    VERY TOXIC (EU)巨毒
    HEATING MAY CAUSE AN EXPLOSION.受热爆炸
    VERY TOXIC BY INHALATION, IN CONTACT WITH SKIN AND IF SWALLOWED.吸入接触皮肤吃下巨毒。
    CONTACT WITH ACIDS LIBERATES VERY TOXIC GAS.遇酸放出巨毒气体
    VERY TOXIC TO AQUATIC ORGANISMS, MAY CAUSE LONG-TERM ADVERSE
    EFFECTS IN THE AQUATIC ENVIRONMENT.对水生物巨毒,可对水生环境产生长期影响。
    READILY ABSORBED THROUGH SKIN.易被皮肤吸收。
    SODIUM AZIDE MAY REACT WITH LEAD AND COPPER PLUMBING TO
    FORM HIGHLY EXPLOSIVE METAL AZIDES.易与铅铜合金反应产生高爆性叠氮金属化合物
    TARGET ORGAN(S):毒害部位
    NERVES神经系统
    HEART心脏
    IN CASE OF ACCIDENT OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE
    IMMEDIATELY (SHOW THE LABEL WHERE POSSIBLE).一旦发生事故或者感觉不适应立即就医(说明可能的部位)
    WEAR SUITABLE PROTECTIVE CLOTHING, GLOVES AND EYE/FACE
    PROTECTION.穿戴适当防护服,手套,眼罩面罩
    DO NOT BREATHE DUST.不要吸入粉尘
    HEAT-SENSITIVE.热敏感
SECTION 4. - - - - - - - - - - FIRST-AID MEASURES- - - - - - - - - - -初步处理
    IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS.
    CALL A PHYSICIAN IMMEDIATELY.如果吃下,清醒时立即用水漱口并向医生求助。
    IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. 如果吸入,应将其移至通风处,如果呼吸停止,应做人工呼吸,如果呼吸困难可以给其吸氧。
    IN CASE OF SKIN CONTACT, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. REMOVE CONTAMINATED CLOTHING AND
    SHOES. CALL A PHYSICIAN. 万一接触到,立即用大量的水至少冲洗15分钟,同时脱去被污染的衣服和鞋子,就医
    IN CASE OF CONTACT WITH EYES, FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES. ASSURE ADEQUATE FLUSHING BY SEPARATING
    THE EYELIDS WITH FINGERS. CALL A PHYSICIAN. 如溅入眼睛应立即用大量的水冲洗至少15分钟,冲洗眼睛时要用手将眼皮拔开,让水能充分的冲洗到眼睛,并及时就医

SECTION 5. - - - - - - - - - FIRE FIGHTING MEASURES - - - - - - - - - -火灾
  EXTINGUISHING MEDIA灭火介质
    DRY CHEMICAL POWDER.干粉灭火器
    DO NOT USE WATER.不能用水
  SPECIAL FIREFIGHTING PROCEDURES特殊灭火程序
    WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO
    PREVENT CONTACT WITH SKIN AND EYES. 灭火时需穿自带呼吸器的密闭防护服,以防接触到衣物眼睛和皮肤

  UNUSUAL FIRE AND EXPLOSIONS HAZARDS爆炸
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS. 发生火灾时会放出有毒烟雾
    CONTAINER EXPLOSION MAY OCCUR UNDER FIRE CONDITIONS.火灾时储存容器会发生爆炸
    AZIDE REACTS WITH MANY HEAVY METALS SUCH AS LEAD, COPPER, MERCURY,
    SILVER, GOLD TO FORM EXPLOSIVE COMPOUNDS. COPPER AND LEAD AZIDES ARE
    MORE SENSITIVE THAN NITROGLYCERINE. AZIDE REACTS WITH METAL HALIDES
    TO GIVE A RANGE OF METAL AZIDE HALIDES, MANY OF WHICH ARE EXPLOSIVE.
    INCOMPATIBLE WITH CHROMYL CHLORIDE, HYDRAZINE, BROMINE, CARBON
    DISULFIDE, DIMETHYL SULFATE, DIBROMOMALONITRILE.叠氮化钠能与重金属如铅、铜、汞、银、金等形成易爆物。铜和铅的叠氮化物比硝化甘油的爆炸性要强。叠氮化钠还能与金属氯化物发生反应,形成一系列的金属叠氮氯化物,其中许多会形成易爆物如Crcl2,肼类,溴化物,CS2,硫酸二甲酯DIBROMOMALONITRILE
    AN EXPLOSION OCCURRED WHEN A MIXTURE OF SODIUM AZIDE, METHYLENE
    CHLORIDE, DIMETHYL SULFOXIDE, AND SULFURIC ACID WERE BEING
    CONCENTRATED ON A ROTARY EVAPORATOR. 当叠氮化钠和二氯甲烷,二甲亚砜和硫磺酸混合在旋转蒸发器上浓缩时会发生爆炸。
SECTION 6. - - - - - - - - ACCIDENTAL RELEASE MEASURES- - - - - - - - -
    WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY
    RUBBER GLOVES. 穿戴自带呼吸器的防护服,橡胶靴,加厚橡胶手套。
    SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL.清理实验残留物到一个袋子了集中进行废物处理
    AVOID RAISING DUST.防止飘尘
    VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE. 捡起所有洒落原料后,对事故地点通风,洗净
    EVACUATE AREA.撤离事故地
SECTION 7. - - - - - - - - - - HANDLING AND STORAGE- - - - - - - - - - -操作和储藏
    REFER TO SECTION 8.
SECTION 8. - - - - - - EXPOSURE CONTROLS/PERSONAL PROTECTION- - - - - -操作和个人防护
    SAFETY SHOWER AND EYE BATH. 有淋洗和冲洗眼睛的装置
    USE ONLY IN A CHEMICAL FUME HOOD. 独立通风橱
    WASH CONTAMINATED CLOTHING BEFORE REUSE.污染衣服再次使用之前需洗净
    WASH THOROUGHLY AFTER HANDLING.操作后彻底清洁
    DO NOT BREATHE DUST. 不要吸入粉尘
    DO NOT GET IN EYES, ON SKIN, ON CLOTHING. 不要接触到皮肤眼睛和衣服上

    AVOID PROLONGED OR REPEATED EXPOSURE. 避免长时间暴露在外
    NIOSH/MSHA-APPROVED RESPIRATOR.
    COMPATIBLE CHEMICAL-RESISTANT GLOVES.
    CHEMICAL SAFETY GOGGLES. 佩带适当的医学呼吸器,防化学腐蚀的手套,护目镜,防护服

    KEEP TIGHTLY CLOSED. 保持密封
    STORE IN A COOL DRY PLACE. 存放于阴凉干燥处
    AZIDE REACTS WITH MANY HEAVY METALS SUCH AS LEAD, COPPER, MERCURY,
    SILVER, GOLD TO FORM EXPLOSIVE COMPOUNDS. COPPER AND LEAD AZIDES ARE
    MORE SENSITIVE THAN NITROGLYCERINE. AZIDE REACTS WITH METAL HALIDES
    TO GIVE A RANGE OF METAL AZIDE HALIDES, MANY OF WHICH ARE EXPLOSIVE.
    INCOMPATIBLE WITH CHROMYL CHLORIDE, HYDRAZINE, BROMINE, CARBON
    DISULFIDE, DIMETHYL SULFATE, DIBROMOMALONITRILE. 叠氮化钠能与重金属如铅、铜、汞、银、金等形成易爆物。铜和铅的叠氮化物比硝化甘油的爆炸性要强。叠氮化钠还能与金属氯化物发生反应,形成一系列的金属叠氮氯化物,其中许多会形成易爆物如Crcl2,肼类,溴化物,CS2,硫酸二甲酯DIBROMOMALONITRILE

SECTION 9. - - - - - - - PHYSICAL AND CHEMICAL PROPERTIES - - - - - - -
  PHYSICAL PROPERTIES
    SOLUBILITY:
           WATER -Z26130
    SPECIFIC GRAVITY:     1.850
    PH:                      9.0
    SWISS POISON CLASS:      2
SECTION 10. - - - - - - - - -STABILITY AND REACTIVITY - - - - - - - - -
  STABILITY稳定性
    STABLE.稳定
  CONDITIONS TO AVOID避免条件
    HEAT-SENSITIVE.热敏感
  INCOMPATIBILITIES不能混放
    EXPLODES WHEN HEATED.受热易爆
    HALOGENATED SOLVENTS氯族溶剂
    AVOID CONTACT WITH METALS.避免接触金属
    AVOID CONTACT WITH ACID.避免接触酸
    ACID CHLORIDES氯酸
  HAZARDOUS COMBUSTION OR DECOMPOSITION PRODUCTS燃烧分解产物
    NITROGEN OXIDES氮氧化物
    REACTS WITH PROTIC SOLVENTS (WATER, ALCOHOLS, AMINES, ETC.) TO RELEASE
    TOXIC HYDRAZOIC ACID与质子性溶剂(水,醇类,胺类等)发生反应防出有毒叠氮酸气体
  HAZARDOUS POLYMERIZATION
    WILL NOT OCCUR.不会发生有害聚合
SECTION 11. - - - - - - - - - TOXICOLOGICAL INFORMATION - - - - - - - -毒物学信息
  ACUTE EFFECTS急性反应
    MAY CAUSE SKIN IRRITATION.引起皮肤刺痛
    MAY BE FATAL IF ABSORBED THROUGH SKIN.皮肤吸收后可致死
    MAY CAUSE EYE IRRITATION.引起眼睛刺痛
    MAY BE FATAL IF INHALED.吸入后可致死
    MATERIAL MAY BE IRRITATING TO MUCOUS MEMBRANES AND UPPER
    RESPIRATORY TRACT.刺激黏膜和上呼吸道
    MAY BE FATAL IF SWALLOWED.误食可致死
    EXPOSURE CAN CAUSE:暴露可引起
    NAUSEA, HEADACHE AND VOMITING恶心,头痛呕吐
    LABORATORY EXPERIMENTS IN ANIMALS HAVE SHOWN SODIUM AZIDE TO PRODUCE
    A PROFOUND HYPOTENSIVE EFFECT, DEMYELINATION OF MYELINATED NERVE
    FIBERS IN THE CENTRAL NERVOUS SYSTEM, TESTICULAR DAMAGE, BLINDNESS,
    ATTACKS OF RIGIDITY, HEPATIC AND CEREBRAL EFFECTS.实验室动物实验显示,叠氮化钠可导致低血压、中枢神经系统受损、肝硬化、影响脑部功能。
  CHRONIC EFFECTS慢性影响
    TARGET ORGAN(S):受害组织
    NERVES, HEART神经,心脏
    BRAIN大脑
    LABORATORY EXPERIMENTS HAVE SHOWN MUTAGENIC EFFECTS.实验还发现它能引起有机体突变
  RTECS #: VY8050000
    SODIUM AZIDE
  TOXICITY DATA
    ORL-WMN LDLO:786 MG/KG                        MTAEEB 4,219,1989
    ORL-MAN LDLO:29 MG/KG                         MTAEEB 4,219,1989
    ORL-MAN LDLO:129 MG/KG                        JATOD3 20,134,1996
    ORL-WMN LDLO:14 MG/KG                         JFSCAS 35,193,1990
    ORL-MAN LDLO:143 MG/KG                        JTCTDW 24,339,1986
    ORL-RAT LD50:27 MG/KG                         FMCHA2 -,C32,1991
    IHL-RAT LC50:37 MG/M3                         STGNBT -,173,1999
    SKN-RAT LD50:50 MG/KG                         STGNBT -,173,1999
    SCU-RAT LD50:45100 UG/KG                      MEPAAX 12,427,1961
    ITR-RAT LD50:47500 UG/KG                      MEPAAX 12,427,1961
    ORL-MUS LD50:27 MG/KG                         CLDND*
    IHL-MUS LC50:32400 UG/M3                      STGNBT -,173,1999
    IPR-MUS LD50:28 MG/KG                         JIHTAB 30,98,1948
    SCU-MUS LD50:23060 UG/KG                      MEPAAX 12,427,1961
    IVN-MUS LD50:19 MG/KG                         CLDND*
    UNR-MUS LD50:27 MG/KG                         BJCAAI 6,160,1952
    SKN-RBT LD50:20 MG/KG                         FMCHA2 -,C32,1991
    ORL-BWD LD50:23700 UG/KG                      AECTCV 12,355,1983
  TARGET ORGAN DATA
    BRAIN AND COVERINGS (INCREASED INTRACRANIAL PRESSURE)
    PERIPHERAL NERVE AND SENSATION (SPASTIC PARALYSIS WITH/WITHOUT SENSORY CH
    SENSE ORGANS AND SPECIAL SENSES (MYDRIASIS)
    SENSE ORGANS AND SPECIAL SENSES (OTHER EYE EFFECTS)
    BEHAVIORAL (GENERAL ANESTHETIC)
    BEHAVIORAL (SOMNOLENCE)
    BEHAVIORAL (CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD)
    BEHAVIORAL (CHANGE IN MOTOR ACTIVITY)
    BEHAVIORAL (COMA)
    BEHAVIORAL (HEADACHE)
    BEHAVIORAL (IRRITABILITY)
    CARDIAC (CARDIOMYOPATHY INCLUDING INFARCTION)
    CARDIAC (ARRYTHMIAS)
    CARDIAC (PULSE RATE INCREASED WITHOUT FALL IN BP)
    CARDIAC (PULSE RATE DECREASED WITH FALL IN BP)
    CARDIAC (CHANGE IN FORCE OF CONTRACTION)
    CARDIAC (OTHER CHANGES)
    VASCULAR (BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION)
    LUNGS, THORAX OR RESPIRATION (CHANGE IN TRACHEA OR BRONCHI)
    LUNGS, THORAX OR RESPIRATION (ACUTE PULMONARY EDEMA)
    LUNGS, THORAX OR RESPIRATION (DYSPNAE)
    LUNGS, THORAX OR RESPIRATION (RESPIRATORY STIMULATION)
    LUNGS, THORAX OR RESPIRATION (OTHER CHANGES)
    GASTROINTESTINAL (HYPERMOTILITY, DIARRHEA)
    KIDNEY, URETER, BLADDER (OTHER CHANGES)
    BLOOD (CHANGES IN SPLEEN)
    MUSCULO-SKELETAL (OTHER CHANGES)
    ONLY SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES
    (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR
    COMPLETE INFORMATION.
SECTION 12. - - - - - - - - - ECOLOGICAL INFORMATION - - - - - - - - - -
    DATA NOT YET AVAILABLE.
SECTION 13. - - - - - - - - - DISPOSAL CONSIDERATIONS - - - - - - - - -废物处理
    CONTACT A LICENSED PROFESSIONAL WASTE DISPOSAL SERVICE TO DISPOSE OF
    THIS MATERIAL.专业废物处理人员处理
    OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.依照当地环境法规处理
SECTION 14. - - - - - - - - - - TRANSPORT INFORMATION - - - - - - - - 运输
    CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION INFORMATION.与本公司联系运输事宜
SECTION 15. - - - - - - - - - REGULATORY INFORMATION - - - - - - - - - -调整信息
  EUROPEAN INFORMATION欧洲
    EC INDEX NO:     011-004-00-7
    VERY TOXIC巨毒
    R 32
    CONTACT WITH ACIDS LIBERATES VERY TOXIC GAS.遇酸防出巨毒气体
    S 28
    AFTER CONTACT WITH SKIN, WASH IMMEDIATELY WITH PLENTY OF SOAP SUDS[皮肤接触后立即用大量水清洗
    S 61
    AVOID RELEASE TO THE ENVIRONMENT. REFER TO SPECIAL INSTRUCTIONS/
    SAFETY DATA SHEETS.避免排放到外界。参考专业安全数据
  REVIEWS, STANDARDS, AND REGULATIONS
    OEL=MAK
    ACGIH TLV-NOT CLASSIFIABLE AS A HUMAN CARCINOGEN  DTLVS* TLV/BEI,1999
    ACGIH TLV-CL 0.29 MG/M3 (SODIUM AZIDE)        DTLVS* TLV/BEI,1999
    OEL-AUSTRALIA: TWA 0.1 PPM (0.3 MG/M3), JAN1993
    OEL-AUSTRIA: MAK 0.07 PPM (0.2 MG/M3), JAN1999
    OEL-BELGIUM: STEL 0.11 PPM (0.3 MG/M3), JAN1993
    OEL-DENMARK: TWA 0.3 MG/M3, JAN1999
    OEL-FINLAND: TWA 0.1 PPM (0.3 MG/M3), STEL 0.3 PPM (0.9 MG/M3), JAN1999
    OEL-FRANCE: VLE 0.1 PPM (0.3 MG/M3), JAN1999
    OEL-GERMANY: MAK 0.07 PPM (0.2 MG/M3), JAN1999
    OEL-THE NETHERLANDS: MAC-TGG 0.1 PPM (0.3 MG/M3), JAN1999
    OEL-NORWAY: TWA 0.3 MG/M3, JAN1999
    OEL-SWITZERLAND: MAK-W 0.07 PPM (0.2 MG/M3), JAN1999
    OEL-UNITED KINGDOM: STEL 0.3 MG(NAN3), SEP2000
    OEL IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA CHECK ACGIH TLV;
    OEL IN NEW ZEALAND, SINGAPORE, VIETNAM CHECK ACGIH TLV
    NIOSH REL TO SODIUM AZIDE, AS HN3-AIR:CL 0.1 PPM (SK)
     NIOSH* DHHS #92-100,1992
    NOHS 1974: HZD 68820; NIS 13; TNF 877; NOS 10; TNE 5953
    NOES 1983: HZD 68820; NIS 19; TNF 3640; NOS 27; TNE 54959; TFE 38370
    EPA GENETOX PROGRAM 1988, POSITIVE: L5178Y CELLS IN VITRO-TK TEST
    EPA GENETOX PROGRAM 1988, POSITIVE: D MELANOGASTER SEX-LINKED LETHAL
    EPA GENETOX PROGRAM 1988, POSITIVE: S CEREVISIAE GENE CONVERSION
    EPA GENETOX PROGRAM 1988, POSITIVE: S CEREVISIAE-FORWARD MUTATION; S
     CEREVISIAE-REVERSION
    EPA GENETOX PROGRAM 1988, NEGATIVE: IN VITRO CYTOGENETICS-HUMAN
     LYMPHOCYTE
    EPA GENETOX PROGRAM 1988, NEGATIVE: SPERM MORPHOLOGY-MOUSE; IN VITRO
     UDS-HUMAN FIBROBLAST
    EPA GENETOX PROGRAM 1988, NEGATIVE: TRP REVERSION
    EPA GENETOX PROGRAM 1988, INCONCLUSIVE: CARCINOGENICITY-MOUSE/RAT; TRP
     REVERSION
    EPA TSCA SECTION 8(B) CHEMICAL INVENTORY
    EPA TSCA SECTION 8(D) UNPUBLISHED HEALTH/SAFETY STUDIES
    ON EPA IRIS DATABASE
    EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
    NIOSH CURRENT INTELLIGENCE BULLETIN 13, 1976
    NTP CARCINOGENESIS STUDIES (GAVAGE); NO EVIDENCE: RAT
     NTPTR* NTP-TR-389,1991
  U.S. INFORMATION
    THIS PRODUCT IS SUBJECT TO SARA SECTION 313 REPORTING REQUIREMENTS.
SECTION 16. - - - - - - - - - - OTHER INFORMATION- - - - - - - - - - - -
    THE ABOVE INFORMATION IS BELIEVED TO BE CORRECT BUT DOES NOT PURPORT TO
    BE ALL INCLUSIVE AND SHALL BE USED ONLY AS A GUIDE. SIGMA, ALDRICH,
    FLUKA SHALL NOT BE HELD LIABLE FOR ANY DAMAGE RESULTING FROM HANDLING
    OR FROM CONTACT WITH THE ABOVE PRODUCT. SEE REVERSE SIDE OF INVOICE OR
    PACKING SLIP FOR ADDITIONAL TERMS AND CONDITIONS OF SALE.
    COPYRIGHT 2001 SIGMA-ALDRICH CO.
    LICENSE GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY
有机化学人才网,招聘求职的最佳选择!
有机化学论坛 -- 讨论技术难题、分享技术资料、评价企业信用、发布供求信息
  

上一篇:[求助]求购CH3OCH=C(CH2OCH3)CN[求助]
下一篇:[求助]加热胆碱

共有0人对本文发表评论(网友评论仅供表达个人看法,并不表明本站同意其观点或证实其描述)
评论:[求助]叠氮化钠的安全使用
请发表评论,请注意文明用语!
您的昵称:
评论内容:
验 证 码:

 
按分类浏览
技术文章化工新闻
医药新闻学术会议
行业展会化学专家
化学百科化合物词典
论坛文摘
热门文章
pKa和pKb分别是什么意思?
【求助】湿法装柱,干法上样的详
【求助】氨基和羧基缩合 反应条件
[原创]OTs, OMs, OTf的离去性能
转贴:常压沸点与减压沸点换算有
请问产率怎么计算
有机化学博士的就业怎么样?
[求助]Fischer投影式的改写及RS构
【讨论】氨基与环氧基团反应的条
【求助】关于万能溶剂DMSO和DMF的
 友情链接
有机化学人才网  
首页 | 广告服务 | 建站服务 | 关于我们 | 联系我们 | 版权声明